Document:

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Exhibit 10.16
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                          CHANGE IN CONTROL AGREEMENT
                          ---------------------------

     THIS CHANGE IN CONTROL AGREEMENT ("Agreement") is entered into effective
July 13, 1999 by and between Burns International Services Corporation, a
Delaware corporation (the "Company") and Robert E.T. Lackey (the "Executive").
Capitalized terms not otherwise defined in this Agreement shall have the
meanings set forth in Schedule A hereto.

     In consideration of the mutual promises and agreements herein contained,
and other good and valuable consideration, the receipt and sufficiency of which
are hereby acknowledged, both parties intending to be legally bound hereby, the
Company and Executive hereby agree as follows:

     1.  Term of Agreement.  This Agreement shall terminate, except to the
         -----------------
extent that any obligation of the Company hereunder remains unpaid as of such
time, upon the first to occur of (a) the termination of Executive's employment
with the Company or (b) the second anniversary of the date of a Change in
Control of the Company if Executive is employed by the Company upon such second
anniversary.

     2.  Severance Benefits Upon Termination Following Change in Control.
         ---------------------------------------------------------------

     (a)  If a Change in Control of the Company shall have occurred while
Executive is still an employee of the Company, and Executive's employment with
the Company is terminated during the two (2) year period following the date of
such Change in Control by reason of a termination (1) by the Company without
Cause, or (2) by Executive with Good Reason, Executive shall be entitled to the
following severance benefits:

          (i)  Within five (5) business days after the date of Executive's
     termination, the Company shall make a lump sum payment to Executive in an
     amount equal to the sum of (A) his accrued but unpaid annual base salary
     through the date of termination at the greater of the rate in effect at the
     time the Change in Control occurred or the rate in effect when the notice
     of termination was given, (B) an amount equal to 100% of Executive's Target
     Annual Bonus multiplied by a fraction, the numerator of which is the number
     of days in the fiscal year of the Company to which such Target Annual Bonus
     relates during
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     which Executive was employed by the Company, and the denominator of which
     is 365, and (C) an amount equal to Executive's supplemental benefit
     compensation accrued but unpaid through the date of termination.

          (ii)  Within thirty (30) days after the date of Executive's
     termination, the Company shall make a lump sum payment to Executive in an
     amount equal to two (2) times the sum of (A) Executive's annual base salary
     at the greater of the rate in effect at the time the Change in Control
     occurred or the rate in effect when the notice of termination was given,
     plus (B) Executive's Target Annual Bonus.

          (iii) Any outstanding options to purchase stock of the Company held by
     Executive as of the date of termination shall immediately vest and become
     exercisable in full.

          (iv)  The restrictions on any shares of restricted stock held by
     Executive which have not yet terminated will terminate immediately.

          (v)   Until the earlier of the second anniversary of the date of
     termination or the date on which Executive becomes employed by a new
     employer, the Company shall pay the reasonable costs of a reasonable
     outplacement service selected by Executive.

          (vi)  Until the earlier of the second anniversary of the date of
     termination or the date on which Executive becomes employed by a new
     employer, the Company shall, at its expense, provide Executive and
     Executive's family members with medical, dental, life insurance, disability
     and accidental death and dismemberment benefits at the highest level
     provided to Executive and Executive's family members during the period
     beginning immediately prior to the Change of Control and ending on the date
     of termination, provided, however, that if Executive becomes employed by a
                     --------  -------
     new employer which maintains a major medical plan that either (i) does not
     cover Executive and Executive's family members with respect to a pre-
     existing condition which was covered under the Company's major medical
     plan, or (ii) does not cover Executive and Executive's family members for a
     designated waiting period, Executive's coverage under the Company's major
     medical plan shall continue (but shall be limited in the event of
     noncoverage due to a preexisting condition, to the preexisting condition
     itself) until the earlier of the end of the applicable period of
     noncoverage under the new employer's plan or the second anniversary of the
     date of termination.

                                      -2-
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          (vii)  The Company shall pay any amounts previously deferred by
     Executive pursuant to any deferred compensation plan or arrangement
     maintained by the Company.

     (b)  The payments provided for under this Section 2 shall be in addition to
any non-severance compensation and benefits provided for under any of the
Company's employee benefit plans, policies and practices or under the terms of
any other contracts, but in lieu of any severance pay under any Company employee
benefit plan, policy and practice or under the terms of any other contract
including any employment contract.

     3.   Termination for Cause, Disability, and without Good Reason.  No
          ----------------------------------------------------------
compensation shall be payable under this Agreement in the event Executive's
employment with the Company is terminated by reason of (1) a termination by the
Company for Cause or for Disability, or (2) a termination by Executive without
Good Reason. For purposes of this Agreement:

     (a)  Disability.  The Company may terminate Executive's employment for
          ----------
"Disability" if, due to physical or mental illness or incapacity, Executive
shall not have performed his duties with the Company on a substantially full-
time basis for (i) six (6) consecutive months, or (ii) for a total of 180 days
in any given period of twelve (12) consecutive months, but only if Executive
shall not have returned to the full-time performance of his duties with the
Company during the thirty (30) day period following the delivery by the Company
of a written notice of termination for Disability.

     (b)  Cause. The Company may terminate Executive's employment for any reason
          -----
whatsoever at any time during the term of this Agreement, with or without Cause.
Any purported termination of employment by the Company for Cause shall be
communicated by a written notice of termination to Executive setting forth in
reasonable detail the facts and circumstances claimed to provide a basis for
such termination. If Executive disputes the existence of Cause for any such
termination, such termination shall not be considered effective and Executive's
rights under this Agreement (excluding his right to terminate with Good Reason
                             ---------
under Section 3(c) hereof) shall continue until such dispute is finally
determined, whether by mutual agreement by the parties or upon final judgment,
order or decree of a court of competent jurisdiction (the time for appeal
therefrom having expired and no appeal having been perfected).

     (c)  Good Reason.  Executive may terminate his employment at any time
          -----------
during the term of this Agreement, with or without a Good Reason; provided
                                                                  --------
however that Executive may not
-------

                                      -3-
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terminate this Agreement for Good Reason during any period in which Executive is
contesting a termination of Executive's employment by the Company for Cause.
Executive's continued employment after the expiration of sixty (60) days from
any action that would otherwise constitute Good Reason shall constitute a waiver
of rights with respect to such action constituting Good Reason under this
Agreement.

     4.   No Obligation To Seek Further Employment; Confidential Information.
          ------------------------------------------------------------------

     (a)  Executive shall not be required to seek other employment, nor shall
the amount of any payment provided for under this Agreement be reduced by any
compensation earned by Executive as the result of employment by another employer
after the date of termination, or otherwise.  Payments to Executive pursuant to
this Agreement shall constitute the entire obligation of the Company for
severance pay and full settlement of any claim for severance pay under law or in
equity that Executive might otherwise assert against the Company or any of its
employees, officers or directors on account of Executive's termination.  In
consideration for the protection and benefits provided for under this Agreement,
Executive hereby agrees to execute a release, substantially in the form of
Exhibit B hereto, of any claims for severance pay under law or in equity that
Executive might otherwise assert as described in the preceding sentence.

     (b)  Following the date of termination, Executive shall not disclose to any
person, or use to the significant disadvantage of the Company or any of its
affiliates, any Confidential Information; provided that nothing contained in
this Section 4(b) shall prevent Executive from being employed by a competitor of
the Company or utilizing Executive's general skills, experience, and knowledge,
including those developed while employed by the Company.

     5.   Successors.  The Company will require any successor or assign (whether
          ----------
direct or indirect, by purchase, merger, consolidation or otherwise) to all or
substantially all of the business and/or assets of the Company, to assume and
agree to perform this Agreement in the same manner and to the same extent that
the Company would be required to perform it if no such succession or assignment
had taken place.  As used in this Agreement, "Company" shall mean the Company as
hereinbefore defined and any successor or assign to its business and/or assets
as aforesaid which executes and delivers the agreement provided for in this
Section 5 or which otherwise becomes bound by all the terms and provisions of
this Agreement by operation of law,

                                      -4-
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or otherwise. This Agreement shall inure to the benefit of and be enforceable by
Executive's personal and legal representatives, executors, administrators,
successors, heirs, distributees, devisees and legatees. If Executive should die
while any amounts are still payable to him hereunder, all such amounts, unless
otherwise provided herein, shall be paid in accordance with the terms of this
Agreement to Executive's estate.

     6.   Excise Taxes.
          ------------

     (a)  In the event it shall be determined that any payment or benefit
provided under Section 2 of this Agreement, together with any other payments or
benefits Executive is entitled to receive by reason of a Change in Control of
the Company or a termination of his employment with the Company (collectively,
the "Payments") would be subject to the excise tax imposed by Section 4999 of
the Internal Revenue Code of 1986 ("Code") or any successor provision, or any
interest or penalties are incurred by Executive with respect to such excise tax
(such excise tax, together with any such interest and penalties, hereinafter
collectively referred to as the "Excise Tax"), the Company shall pay Executive,
at least 30 days prior to the time payment of any such Excise Tax is due, an
additional amount  (the "Gross-Up Payment") such that the net amount retained by
Executive, after deduction of any Excise Tax and any federal and state and local
taxes imposed on the Gross-Up Payment, shall be equal to the Excise Tax imposed
on the Payments.

     (b)  For purposes of determining whether any of the Payments will be
subject to the Excise Tax and the amount of such Excise Tax, (1) the Payments
shall be treated as "parachute payments" within the meaning of Section
280G(b)(2) of the Code, and all "excess parachute payments" within the meaning
of Section 280G(b)(1) of the Code shall be treated as subject to the Excise Tax,
unless in the opinion of tax counsel selected by the Company's independent
auditors and acceptable to Executive the Payments (in whole or in part) do not
constitute parachute payments or excess parachute payments or are otherwise not
subject to the Excise Tax, (2) the amount of the Payments which shall be treated
as subject to the Excise Tax shall be equal to the amount of "excess parachute
payments" within the meaning of Section 280G(b)(1) (after applying clause (1)
above), and (3) the value of any non-cash benefits or any deferred payment or
benefit shall be determined by the Company's independent auditors in accordance
with the principles of Section 280G(d)(3) and (4) of the Code.  For purposes of
determining the amount

                                      -5-
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of the Gross-Up Payment, Executive shall be deemed to pay federal income taxes
at the highest marginal rate of federal income taxation in the calendar year in
which the Gross-Up Payment is to be made and state and local income taxes at the
highest marginal rate of taxation in the state and locality of Executive's
residence on the Date of termination, net of the maximum reduction in federal
income taxes which could be obtained from deduction of such state and local
taxes.

     (c)  In the event that the Excise Tax is subsequently determined to be less
than the amount taken into account hereunder at the time of termination of
employment, Executive shall repay to the Company at the time that the amount of
such reduction in Excise Tax is finally determined, the portion of the Gross-Up
Payment attributable to such reduction (plus the portion of the Gross-Up Payment
attributable to the Excise Tax).  In the event that the Excise Tax is determined
to exceed the amount taken into account hereunder at the time of the termination
of employment (including by reason of any payment the existence or amount of
which cannot be determined at the time of the Gross-Up Payment), the Company
shall make an additional Gross-Up Payment in respect of such excess (plus any
interest and penalties payable with respect to such excess) at the time that the
amount of such excess is finally determined.  Executive shall notify the Company
of any audit or review by the Internal Revenue Service of Executive's federal
income tax return for the year in which a payment under this Agreement is made
within ten (10) days of Executive's receipt of notification of such audit or
review.  In addition, Executive shall also notify the Company of the final
resolution of such audit or review within ten (10) days of such resolution.

     7.   Miscellaneous.
          -------------

     (a)  Amendments, Waivers.  No provisions of this Agreement may be modified,
          -------------------
waived or discharged unless such waiver, modification or discharge is agreed to
in writing signed by Executive and the Company.  Except as otherwise provided in
Section 3(c) hereof, no waiver by either party hereto at any time of any breach
by the other party hereto of, or compliance with, any condition or provision of
this Agreement to be performed by such other party shall be deemed a waiver of
similar or dissimilar provisions or conditions at the same or at any prior or
subsequent time.

                                      -6-
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     (b)  Validity.  The invalidity or unenforceability of any provisions of
          --------
this Agreement shall not affect the validity or enforceability of any other
provision of this Agreement, which shall remain in full force and effect.

     (c)  Confidentiality.  Executive agrees that unless Executive is otherwise
          ---------------
required by law to disclose this Agreement, Executive will keep the existence
and terms of this Agreement completely confidential, and will not discuss the
terms, amount, or existence of this Agreement with anyone other than Executive's
spouse, attorneys or tax advisors, provided that these individuals also keep the
existence, terms, and amount of this Agreement completely confidential.

     (d)  Fees and Expenses.  Company shall pay all reasonable legal fees and
          -----------------
related expenses (including the reasonable costs of experts, evidence and
counsel), when and as incurred by Executive, as a result of contesting or
disputing any termination of employment of Executive following a Change in
Control, or enforcing the terms of this Agreement whether or not such contest or
dispute is resolved in Executive's favor but only if Executive was seeking in
good faith to obtain or enforce any right or benefit provided by this Agreement
or by any other plan or arrangement maintained by the Company under which
Executive is or may be entitled to receive benefits.

     (e)  Survival of Obligations. The obligations of Company under Sections 2
          -----------------------
and 6 hereof shall survive the expiration of the term of this Agreement.

     (f)  Governing Law. The laws of Illinois shall be controlling in all
          -------------
matters relating to this Agreement.

     (g)  Entire Agreement.  This Agreement constitutes the entire agreement
          ----------------
between the parties hereto and supersedes all prior agreements, understandings
and arrangements, oral or written, between the parties hereto with respect to
the subject matter hereof. No agreements or representations, oral or otherwise,
express or implied, with respect to the subject matter hereof have been made by
either party which are not set forth expressly in this Agreement and this
Agreement shall supersede any and all prior agreements, understandings or
negotiations with respect to the subject matter hereof.

     (h)  Non-Exclusivity of Rights. Except as explicitly modified by Section
          -------------------------
2(b) of this Agreement, nothing in this Agreement shall prevent or limit
Executive's continuing or future participation in any benefit, bonus, incentive
or other plan or program provided by Company and

                                      -7-
<PAGE>

for which Executive may qualify, nor shall anything herein limit or reduce such
rights as Executive may have under any other agreements with Company. Amounts
which are vested benefits or which Executive is otherwise entitled to receive
under any plan or program of Company shall be payable in accordance with such
plan or program,.

     IN WITNESS WHEREOF, the parties have executed this Agreement effective as
of the date first above written.

EXECUTIVE:

_____________________________________
Robert E. T. Lackey

BURNS INTERNATIONAL SERVICES CORPORATION

By___________________________________
  Name:   John A. Edwardson
  Title:  Chairman, President and
          Chief Executive Officer

                                      -8-
<PAGE>

                                   EXHIBIT A
                                   ---------
                                  DEFINITIONS
                                  -----------

     "Cause" shall mean Executive's:

          (i)    fraud, misappropriation, embezzlement or other act of material
     misconduct against the Company or any of its affiliates thereof;

          (ii)   substantial and wilful failure to render services in accordance
     with the terms of this Agreement, provided that (A) a demand for
     performance of services has been delivered to the Executive by the Board of
     Directors of the Company at least 30 days prior to termination identifying
     the manner in which such Board of Directors believes that the Executive has
     failed to perform and (B) the Executive has thereafter failed to remedy
     such failure to perform within thirty (30) days after delivery of such
     demand for performance;

          (iii)  willful and knowing violation of any rules or regulations of
     any governmental or regulatory body material to the business of the
     Company; or

          (iv)   conviction of or plea of nolo contendere to a felony.

     "Change in Control" of the Company shall mean:

          (i)    An acquisition by any individual, entity or group (within the
     meaning of Section 13(d)(3) or 14(d)(2) of the Securities Exchange Act of
     1934) (a "Person") of beneficial ownership (within the meaning of Rule 13d-
     3 promulgated under the Securities Exchange Act of 1934) of 50% or more of
     either (A) the then outstanding shares of common stock of the Company (the
     "Outstanding Company Common Stock") or (B) the combined voting power of the
     then outstanding voting securities of the Company entitled to vote
     generally in the election of directors (the "Outstanding Company Voting
     Securities"); excluding, however, the following: (1) any acquisition
     directly from the Company, other than an acquisition by virtue of the
     exercise of a conversion privilege unless the security being so converted
     was itself acquired directly from the Company, (2) any acquisition by the
     Company, (3) any acquisition by any employee benefit plan (or related
     trust) sponsored or maintained by the Company or any corporation controlled
     by the Company, or (4) any acquisition by any Person pursuant to a
     transaction which complies with items (1), (2) and (3) of clause (iii) of
     this definition; or

          (ii)   A change in the composition of the Board of Directors of the
     Company (the "Board") such that the individuals who, as of the effective
     date of this Agreement, constitute the Board (such Board shall be
     hereinafter referred to as the "Incumbent Board") cease for any reason to
     constitute at least a majority of the Board; provided, however, that any
     individual who becomes a member of the Board subsequent to such date
     (including the individuals who replace Donald Trauscht and J. Joe Adorjan
     in 1999

                                      -9-
<PAGE>

     and the other two members of the Incumbent Board expected to resign in
     2000), whose election, or nomination for election by the Company's
     stockholders, was approved by a vote of at least two-thirds (2/3) of those
     individuals who are members of the Board and who were also members of the
     Incumbent Board (or deemed to be such pursuant to this proviso) shall be
     considered a member of the Incumbent Board; but, provided further, that any
     such individual whose initial assumption of office occurs as a result of
     either an actual or threatened election contest (as such terms are used in
     Rule 14a-11 of Regulation 14A promulgated under the Securities Exchange Act
     of 1934) or other actual or threatened solicitation of proxies or consents
     by or on behalf of a Person other than the Board shall not be so considered
     as a member of the Incumbent Board; or

          (iii)  The approval by the stockholders of the Company of a
     reorganization, merger or consolidation or sale or other disposition of all
     or substantially all of the assets of the Company (a "Corporate
     Transaction"); excluding, however, such a Corporate Transaction pursuant to
     which (1) all or substantially all of the individuals and entities who are
     the beneficial owners, respectively, of the Outstanding Company Common
     Stock and Outstanding Company Voting Securities immediately prior to such
     Corporate Transaction will beneficially own, directly or indirectly, more
     than 60%, respectively, of the outstanding shares of common stock, and the
     combined voting power of the then outstanding voting securities entitled to
     vote generally in the election of directors, as the case may be, of the
     corporation resulting from such Corporate Transaction (including, without
     limitation, a corporation which as a result of such transaction owns the
     Company or all or substantially all of the Company's assets either directly
     or through one or more subsidiaries) in substantially the same proportions
     as their ownership, immediately prior to such Corporate Transaction, of the
     Outstanding Company Common Stock and Outstanding Company Voting Securities,
     as the case may be, (2) no Person (other than the Company, any employee
     benefit plan (or related trust) sponsored or maintained by the Company or
     any corporation controlled by the Company or such corporation resulting
     from such Corporate Transaction) will beneficially own, directly or
     indirectly, 20% or more, respectively, of the outstanding shares of common
     stock of the corporation resulting from such Corporate Transaction or the
     combined voting power of the outstanding voting securities of such
     corporation entitled to vote generally in the election of directors except
     to the extent that such ownership existed with respect to the Company prior
     to the Corporate Transaction, and (3) individuals who were members of the
     Incumbent Board will constitute at least a majority of the members of the
     board of directors of the corporation resulting from such Corporate
     Transaction; or

          (iv)   The approval by the stockholders of the Company of a complete
     liquidation or dissolution of the Company.

  "Confidential Information"  means any non-public information relating to the
business plans, marketing plans, customers or employees of the Company or any of
its subsidiaries or affiliates other than information the disclosure of which
cannot reasonably be expected to adversely affect the business of the Company or
its subsidiaries or affiliates.

                                      -10-
<PAGE>

     "Good Reason" shall mean any of the following which occurs subsequent to a
                                                                -------------
Change in Control of the Company without Executive's prior consent:

          (i)    any adverse change in Executive's authorities, duties,
     responsibilities (including reporting responsibilities); the assignment to
     Executive of any duties or work responsibilities which are inconsistent
     with such authorities or responsibilities; or any removal of Executive
     from, or failure to reappoint or reelect him to any of such positions;

          (ii)   a reduction in or failure to pay any portion of Executive's
     Annual Base Salary as in effect on the date of the Change in Control or as
     the same may be increased from time to time thereafter;

          (iii)  the failure by Company to provide Executive with compensation
     and benefits (including, without limitation, incentive, bonus and other
     compensation plans and any vacation, medical, hospitalization, life
     insurance, dental or disability benefit plan), or cash compensation in lieu
     thereof, which are, in the aggregate, no less favorable than those provided
     by Company to Executive immediately prior to the occurrence of the Change
     in Control, other than an isolated, immaterial, and inadvertent failure not
     taken in bad faith and which are remedied by the Company promptly after
     receipt of a reasonable written notice thereof given by Executive;

          (iv)   any material breach by Company of any provision of this
     Agreement;

          (v)    Executive being required to relocate to a principal place of
     employment more than fifty (50) miles from his current place of employment;
     or

          (vi)   the failure of Company to obtain a satisfactory agreement from
     any successor or assign of Company to assume and agree to perform this
     Agreement, as required in Section 5 hereof; or

Notwithstanding the above, a termination by Executive, at his own initiative,
for any reason during the 30-day period immediately following the first
anniversary of the Change in Control shall be deemed for all purposes of this
Agreement to constitute a termination by Executive for Good Reason.

  "Target Annual Bonus" shall mean the bonus Executive could have earned under
the Company's bonus program for [senior management] for the fiscal year of the
Company in which his Date of termination occurs if the goals established in
connection with such bonus program had been achieved at the "expected" level.

                                      -11-
<PAGE>

                                   EXHIBIT B
                                   ---------

                   SEPARATION AND GENERAL RELEASE AGREEMENT
                   ----------------------------------------

          This Separation and General Release Agreement ("Agreement") is made by
and between Burns International Services Corporation, a Delaware corporation
(the "Company"), and ___________________ ("Executive") on the ____ day of
__________.

          WHEREAS, Executive and the Company are parties to a Change in Control
Agreement (the "CIC Agreement") dated July 13, 1999; and

          WHEREAS, in consideration for the protection and benefits provided for
under the CIC Agreement, Executive agreed to execute this release of any claims
under law or in equity that Executive might otherwise assert against the Company
or any of its employees, officers or directors on account of Executive's
termination of employment;

          NOW, THEREFORE, in consideration of the mutual promises and agreements
herein contained, and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, both parties intending to be
legally bound hereby, the Company and the Executive hereby agree as follows:

          1.   Executive's employment in all positions and offices of the
Company shall terminate effective as of ________________ ("Separation Date").

          2.   Without limiting the scope of the releases contained in paragraph
               5 below, Executive releases and discharges the Company from any
               claim for, and waives any further claim for, any bonus or other
               compensation in any form from the Company (including without
               limitation any base compensation, incentive compensation,
               discretionary incentive compensation, deferred compensation,
               severance compensation or any other form of compensation), except
               as provided in the CIC Agreement.

          3.   Executive agrees that he will do nothing to impede a smooth
               transition to employees or other individuals designated by the
               Company of his responsibilities and shall provide the details
               concerning the projects and assignments in which he is and was
               involved. Executive will not disrupt the morale or productive
               working relationships of the employees, customers, vendors, and
               independent contractors of the Company.

          4.   Executive represents that he has delivered to the Company all
               property of the Company and its customers, vendors, and
               independent contractors, including without limitation all money,
               checks, credit cards, papers, books, records, computer programs,
               data, keys, equipment, hardware, software, file back-up
               materials, diskettes, tapes, electronic databases and files,
               passwords or like materials in his possession or control and all
               copies thereof. The ownership and right of control of all
               reports, records,

                                      -12-
<PAGE>

               programs, data bases, processes and supporting documents prepared
               by, for or on behalf of Executive in connection with the
               performance of Executive's duties during his employment are
               vested exclusively in the Company and remain the exclusive
               property of the Company.

          5.   For good and valuable consideration (including, but not limited
               to, the payments made or to be made under the CIC Agreement), the
               receipt and sufficiency of which is hereby acknowledged:

          a.   Executive hereby releases and forever discharges the Company and
               any parent, subsidiary, affiliate or other entity related to the
               Company, as well as its or their predecessors, successors and
               assigns, shareholders, directors, officers, agents,
               representatives, servants, and employees, past, present and
               future, individually and collectively ("Released Parties"), from
               any and all claims, demands, causes of action or liabilities,
               that Executive ever had, or now has, or that his heirs, executors
               or administrators hereafter can, shall or may have upon or by
               reason of any matter, cause or thing whatsoever, whether known or
               unknown, suspected or unsuspected, arising out of or in any way
               connected with his employment and/or separation from the Company.
               Without limiting the generality of the foregoing and to the
               extent permitted by law, this release applies to any right that
               Executive has or may have to commence or maintain a charge or
               action or to recover pursuant to such a charge (regardless of the
               identity of the individual or entity commencing or maintaining
               such charge or action) alleging discrimination under any federal,
               state or local statute (whether before a court or an
               administrative agency), including without limitation, the Age
               Discrimination in Employment Act of 1967, Title VII of the Civil
               Rights Act of 1964, the Civil Rights Act of 1991, the Americans
               with Disabilities Act, the Family and Medical Leave Act, and the
               Employee Retirement Income Security Act of 1974, and any right
               that Executive has or may have to commence or maintain a claim or
               action alleging wrongful termination, breach of contract,
               commission of tort, or any combination thereof, whether based in
               law or in equity.  Executive agrees not to make, assert or
               maintain any charge, claim, demand or action that would be
               covered by this release.

               b.   Executive understands that by releasing employment
                    discrimination claims against the Released Parties, he also
                    forever releases and discharges any right he may have to
                    file or recover in a lawsuit he may bring himself on the
                    same claims and also any right he may have to any relief
                    that he might otherwise be entitled to as a result of any
                    proceedings instituted by the Equal Employment Opportunity
                    Commission or any other comparable enforcement authority.

               c.   This release shall run to and be for the benefit of the
                    Released Parties. This release shall run to and be binding
                    upon Executive and his heirs and assigns.

                                      -13-
<PAGE>

               d.   To the maximum extent permitted by law, Executive covenants
                    not to sue or to institute or cause to be instituted any
                    action in any federal, state or local agency or court
                    against the Company regarding the matters covered by the
                    release contained in this paragraph.

               e.   This release and covenant not to sue shall not apply to (i)
                    those continuing obligations, if any, of the Company under
                    the CIC Agreement; (ii) any vested benefits provided under
                    any retirement plan, 401(k), profit sharing plan and related
                    ERISA excess plans, welfare benefit plans or other plans or
                    arrangements to which Executive would otherwise be entitled
                    pursuant to the terms of such plans or arrangements; (iii)
                    any rights the undersigned may have solely as a security
                    holder of any Released Party; and (iv) any rights to
                    indemnification the undersigned may have under applicable
                    law, the by-laws or certificate of incorporation of any
                    Released Party, or as an insured under any D&O or liability
                    insurance policy now, hereafter or previously in force.

          6.   In the event Executive breaches any provision of this Agreement,
               it shall be deemed to constitute a failure of consideration, and
               the Company shall be relieved of all its obligations hereunder
               and under the CIC Agreement. Executive agrees to indemnify the
               Company from and against all liability, costs and expenses,
               including reasonable attorneys' fees, arising out of a breach of
               this Agreement. In view of the difficulty of determining damages
               in the event of any such breach, it is agreed that the Company
               will be entitled to liquidated damages in the amount of all
               payments made by the Company under this Agreement, plus
               reasonable attorneys' fees and court costs, if any, incurred by
               the Company in enforcing this clause.

          7.   In the event the Company breaches any provision of this
               Agreement, it shall be deemed to constitute a failure of
               consideration, and Executive shall be relieved of all his
               obligations hereunder. The Company agrees to indemnify Executive
               from and against all liability, costs and expenses, including
               reasonable attorneys' fees, arising out of a breach of this
               Agreement.

          8.   Executive agrees that neither this Agreement nor performance
               hereunder constitutes an admission by the Company of any
               violation of any federal, state or local law, regulation, common
               law, of any breach of any contract or any other wrongdoing of any
               type.

          9.   This Agreement and the CIC Agreement constitutes the entire
               agreement between the parties. No modification of this Agreement
               or further modification of the CIC Agreement shall be valid
               unless signed by the party against whom such modification is
               sought to be enforced.

                                      -14-
<PAGE>

          10.  Executive represents and agrees that (a) he fully understands his
               right to discuss all aspects of this Agreement with legal counsel
               and, to the extent he deems appropriate, he has fully availed
               himself of this right; and (b) he has carefully read and fully
               understands all the provisions of this Agreement and is
               voluntarily entering into the same.

          11.  Executive acknowledges that this Agreement includes a waiver of
               any rights and claims arising under the Age Discrimination in
               Employment Act. Executive understands he is not waiving rights or
               claims that may arise after the date this Agreement is executed.
               Employee acknowledges that the consideration he is receiving in
               exchange for his waiver of the rights and claims specified herein
               exceeds anything of value to which he already is entitled.
               Executive acknowledges that he was advised in writing on
               __________ __, ____, to consult with an attorney prior to
               executing this Agreement. Executive acknowledges that he has
               entered into this Agreement knowingly and voluntarily with full
               understanding of its terms and after having had the opportunity
               to seek and receive advice and counsel from his personal and/or
               legal counsel. Executive acknowledges that he was given a period
               of at least twenty-one (21) days within which to consider this
               Agreement and was so advised in writing on __________ __, ____.
               Executive understands that he may revoke this Agreement during
               the seven (7) days following the execution of this Agreement and
               that the Agreement shall not become effective or enforceable
               until that seven (7) day revocation period has expired.

          12.  The provisions of this Agreement shall be construed in accordance
               with the internal laws, but not the laws of conflicts, applicable
               to agreements made in Illinois.

          IN WITNESS WHEREOF, the parties have executed this Separation and
General Release Agreement on the date first written above.

                                        Burns International Services Corporation

                                        By: ____________________________________
                                        Its ____________________________________

                                        ________________________________________
                                        Executive

                                      -15-<PAGE>

Exhibit 10.20
-------------

                        BORG-WARNER SECURITY CORPORATION

                                SECOND AMENDMENT
                    TO AMENDED AND RESTATED CREDIT AGREEMENT
                                  AND CONSENT

          This SECOND AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT AND
CONSENT (this "Amendment") is dated as of May 10, 1999 and entered into by and
among Borg-Warner Security Corporation, a Delaware corporation ("Company"), the
financial institutions listed on the signature pages hereof ("Lenders"),
Canadian Imperial Bank of Commerce, as Documentation Agent (the "Documentation
Agent"), NationsBank, N.A., as Syndication Agent (the "Syndication Agent") and
Bankers Trust Company, as Administrative Agent for Lenders ("Agent"), and, for
purposes of Section 5 hereof, the Credit Support Party (as defined in Section 5
hereof) listed on the signature pages hereof, and is made with reference to that
certain Amended and Restated Credit Agreement dated as of June 30, 1998 (as
heretofore amended, the "Credit Agreement"), by and among Company, Lenders,
Documentation Agent, Syndication Agent and Administrative Agent.  Capitalized
terms used herein without definition shall have the same meanings herein as set
forth in the Credit Agreement.

                                    RECITALS

          WHEREAS, Company and Lenders desire to amend the Credit Agreement to
(i) release amounts held in a blocked account pursuant to Section 5.13 of the
Credit Agreement on the terms and conditions described herein, (ii) permit the
making of certain Restricted Junior Payments, (iii) amend certain defined terms,
(iv) amend Section 2.2A of the Credit Agreement to change the basis on which the
rate of interest payable on the Loans is determined and (v) make certain other
amendments as set forth below;

          WHEREAS, Company has been released from indemnity obligations owing to
Mustang Holdings, Inc. and Company desires to exchange those certain Mustang
Holdings, Inc. promissory notes (the "Mustang Notes"), which were delivered to
the Collateral Agent to secure the Loans under the Credit Agreement, for 312,500
shares of the stock of the purchaser (the "Purchaser") of Pony Express, Inc.;

          WHEREAS, Lenders desire to release without replacement the Mustang
Notes held by the Collateral Agent pursuant to the Company Pledge Agreement to
secure the Loans under the Credit Agreement;

          NOW, THEREFORE, in consideration of the premises and the agreements,
provisions and covenants herein contained, the parties hereto agree as follows:
<PAGE>

          Section 1.  AMENDMENTS TO THE CREDIT AGREEMENT

          1.1  Amendments to Section 1: Certain Defined Terms

          A.  The definition of "Commitment Fee Percentage" is hereby amended by
deleting such definition in its entirety and replacing such definition with the
following:

               "(Commitment Fee Percentage) means the per annum Commitment Fee
          Percentage set forth in the table below opposite Company's Pro Forma
          Consolidated Leverage Ratio as set forth in the Margin Determination
          Certificate delivered pursuant to subsection 5.1(xvii) of the Credit
          Agreement, any required adjustment to become automatically effective
          on the next succeeding Business Day following receipt by the
          Administrative Agent of such Margin Determination Certificate:

               Pro Forma Consolidated Leverage Ratio              Commitment Fee
               -------------------------------------              Percentage
                                                                  --------------
               Equal to or greater than 3.00:1.00                 0.50%

               Equal to or greater than 2.50:1.00 but less than   0.375%
               3.00:1.00

               Equal to or greater than 2.00:1.00 but less than   0.325%
               2.50:1.00

               Less than 2.00:1.00                                0.25%

          ; provided however for the period (i) from March 25, 1999 until the
          Second Amendment Effective Date, the Commitment Fee Percentage shall
          be the rate in effect under the Credit Agreement immediately prior to
          the Second Amendment Effective Date and (ii) commencing on the Second
          Amendment Effective Date through the date on which Company delivers
          the first Margin Determination Certificate pursuant to subsection
          5.1(xvii) of the Credit Agreement, the Commitment Fee Percentage shall
          be the rate determined in accordance with the Margin Determination
          Certificate delivered on the Second Amendment Effective Date.

               If Company fails to deliver a Margin Determination Certificate by
          the time required by subsection 5.1(xvii), from such time the Margin
          Determination Certificate was required to be delivered until delivery
          of such Margin Determination Certificate, the Commitment Fee
          Percentage shall be automatically adjusted to the highest rate
          provided in the above table."
<PAGE>

          B.  Subsection 1.1 of the Credit Agreement is hereby amended by adding
the definition of "Margin Determination Certificate" in appropriate alphabetical
order as follows:

          " 'Margin Determination Certificate' means a certificate substantially
          in the form annexed hereto as Exhibit XV delivered to Lenders by
          Company pursuant to subsection 5.1(xvii)."

          C.  Subsection 1.1 of the Credit Agreement is hereby amended by adding
the definition of "Pro Forma Consolidated Leverage Ratio" in appropriate
alphabetical order as follows:

          " 'Pro Forma Consolidated Leverage Ratio' means the ratio of Net
          Funded Debt, after giving effect to any Restricted Junior Payment
          made, and any Funded Debt incurred in connection with any such
          Restricted Junior Payment, pursuant to clauses (iv) or (v) of
          subsection 6.5, as of the date of the Margin Determination
          Certificate, to Consolidated Adjusted EBITDA as set forth in Company's
          most recent Compliance Certificate."

          D.  Subsection 1.1 of the Credit Agreement is hereby amended by adding
the definition of "Second Amendment Effective Date" in appropriate alphabetical
order as follows:

          " 'Second Amendment Effective Date' means the date the Second
          Amendment to Amended and Restated Credit Agreement dated as of May 10,
          1999 became effective pursuant to the terms thereunder."

          1.2  Amendments to Section 2: Amounts and Terms of Commitments and
Loans; Notes; Letters of Credit

          A.  Subsection 2.2A of the Credit Agreement is hereby amended by
deleting such subsection in its entirety and replacing such subsection with the
following:

          "A.  Rate of Interest.  Subject to the provisions of subsection 2.6,
          each Loan shall bear interest on the unpaid principal amount thereof
          from the date made through maturity (whether by acceleration or
          otherwise) at a rate determined by reference to the Base Rate or the
          Adjusted Eurodollar Rate; provided that nothing herein shall entitle
          any Lender to charge or receive interest in excess of the maximum rate
          allowed by applicable law.  The applicable basis for determining the
          rate of interest shall be selected by Company initially at the time a
          Notice of Borrowing is given pursuant to subsection 2.1B.  The basis
          for determining the interest rate with respect to any Loan may be
          changed from time to time pursuant to subsection 2.2D.  If on any day
          a Loan is outstanding with respect to which notice has not been
          delivered to Administrative Agent in accordance with the terms of this
          Agreement specifying the basis for determining the rate of interest,
          then for that day that Loan shall bear interest determined by
          reference to the Base Rate.
<PAGE>

               On or after the Second Amendment Effective Date through maturity,
          the Loans shall bear interest (except as provided for in the last
          sentence of this subsection 2.2A) as follows:

               (i) if a Base Rate Loan, then at the sum of the Base Rate plus
               the applicable Base Rate margin (the "Base Rate Margin") set
               forth in the table below; or

               (ii) if a Eurodollar Rate Loan, then at the sum of the Adjusted
               Eurodollar Rate plus the applicable Eurodollar Rate margin (the
               "Eurodollar Rate Margin") set forth in the table below:

             Pro Forma Consolidated                     Base Rate    Eurodollar
             Leverage Ratio                             Margin       Rate Margin
             ----------------------                     ---------    -----------
             Equal to or greater than 3.00:1:00         1.00%        2.00%

             Equal to or greater than 2.50:1.00         0.75%        1.75%
             but less than 3.00:1.00

             Equal to or greater than 2.00:1.00         0.50%        1.50%
             but less than 2.50:1.00

             Less than 2.00:1.00                        0.00%        1.00%

          ; provided however for the period (i) from March 25, 1999 until the
          Second Amendment Effective Date, the Loans shall bear interest at the
          rate in effect under the Credit Agreement immediately prior to the
          Second Amendment Effective Date and (ii) commencing on the Second
          Amendment Effective Date through the date on which Company delivers
          the first Margin Determination Certificate pursuant to subsection
          5.1(xvii) of the Credit Agreement, the Loans shall bear interest
          determined in accordance with the Margin Determination Certificate
          delivered on the Second Amendment Effective Date.

               The applicable Base Rate Margin or the applicable Eurodollar Rate
          Margin shall be the Base Rate Margin or the Eurodollar Rate Margin, as
          the case may be, set forth in the table above opposite Company's Pro
          Forma Consolidated Leverage Ratio as set forth in the Margin
          Determination Certificate delivered pursuant to subsection 5.1(xvii)
          of the Credit Agreement, any required adjustment to become
          automatically effective on the next succeeding Business Day following
          receipt by the Administrative Agent of such Margin Determination
          Certificate.  If Company fails to deliver a Margin Determination
          Certificate by the time required by subsection 5.1(xvii), from such
          time the Margin Determination Certificate was required to be delivered
          until delivery of such Margin Determination Certificate, the Base Rate
          Margin and the Eurodollar Rate Margin shall automatically be adjusted
          to the highest rate provided in the above table."
<PAGE>

          1.3  Amendment to Section 5: Company's Affirmative Covenants

          A.  Subsection 5.1 of the Credit Agreement is hereby amended by
deleting the word "and" from the end of clause (xv) thereof, by deleting the
period and adding "; and" at the end of clause (xvi) thereof, and by adding a
new clause (xvii) as follows:

          "(xvii)  a Margin Determination Certificate (a) together with each
          delivery of financial statements of Company and its Subsidiaries
          pursuant to subdivisions (ii) and (iii) above and (b) in the event
          that Company or any of its Subsidiaries shall, directly or indirectly,
          make a Restricted Junior Payment in excess of $10,000,000 pursuant to
          clauses (iv) or (v) of subsection 6.5, by noon of the third succeeding
          Business Day."

          B.  Section 5.13 of the Credit Agreement is hereby amended by deleting
such section in its entirety and by replacing such text with the phrase
"Intentionally Omitted."

          1.4  Amendments to Section 6: Company's Negative Covenants

          A.  Subsection 6.5 of the Credit Agreement is hereby amended by
deleting the word "and" at the end of clause (iii) thereof, by adding the word
"and" at the end of clause (iv) thereof and by adding a new clause (v) as
follows:

          "(v) in addition to the number of shares of Common Stock permitted to
          be repurchased pursuant to subsection 6.5(ii) above, Company may make
          Restricted Junior Payments to repurchase 4,350,000 shares of Common
          Stock from MLCP and its affiliates at a repurchase price which does
          not exceed $18.375 per share plus declared and unpaid dividends
          thereon;"

          B.  Subsection 6.6A of the Credit Agreement is hereby amended by
deleting such subsection in its entirety and replacing such subsection with the
following:

          "A.  Interest Coverage Ratio.  Company will not permit its Interest
          Coverage Ratio as of the last day of each fiscal quarter for the four
          consecutive preceding fiscal quarters ended on such date to be less
          than 3.00:1.00."

          1.5  Amendments to Exhibits: Margin Determination Certificate

          A.  The Credit Agreement is hereby amended by adding an Exhibit XV to
the Credit Agreement in the form of Exhibit A to this Amendment.

          Section 2.  CONSENT

          Subject to the terms and conditions set forth herein and in reliance
on the representations and warranties of Company herein contained and
notwithstanding anything to the contrary contained in subsections 6.7(iii) and
6.9 of the Credit Agreement, Lenders hereby consent to (i) the transfer of the
Mustang Notes in exchange for 312,500 shares of the Purchaser's stock and (ii)
the release without replacement of the Mustang Notes held by the
<PAGE>

Collateral Agent pursuant to the Company Pledge Agreement to secure the Loans
under the Credit Agreement.

          Section 3.  CONDITIONS TO EFFECTIVENESS

          Section 1 and 2 of this Amendment shall become effective only upon the
satisfaction of all of the following conditions precedent (the date of
satisfaction of such conditions being referred to herein as the "Second
Amendment Effective Date"):

          A.   On or before the Second Amendment Effective Date, Company shall
deliver to Lenders (or to Administrative Agent for Lenders) the following, each,
unless otherwise noted, dated the Second Amendment Effective Date:

          1.   Signature and incumbency certificates of its officers executing
               this Amendment;

          2.   Executed copies of this Amendment;

          3.   Executed Officers' Certificate stating that as of the Second
               Amendment Effective Date and after giving effect on a pro forma
               basis to (i) the repurchase of 4,350,000 shares of the Company's
               Common Stock at a repurchase price of up to $18.375 per share
               plus declared but unpaid dividends thereon and (ii) the tender of
               all of the Company's outstanding Senior Subordinated Notes at a
               tender price which does not exceed 116% of the principal amount
               thereof, plus accrued and unpaid interest thereon, and in each
               case, any debt incurred or fees and expenses paid in connection
               therewith, the Company is in pro forma compliance with its
               financial covenants;

          4.   A Margin Determination Certificate for the fiscal period ending
               March 31, 1999;

          5.   Receipt by the Company of any necessary consents from the holders
               of Senior Subordinated Notes that permit the repurchase of 4.35
               million shares of the Company's Common Stock and Senior
               Subordinated Notes; and

          6.   Receipt by each of the Lenders executing this Amendment of an
               amendment fee in an amount equal to % of such Lender's
               Commitment.

          B.   On or before the Second Amendment Effective Date, all corporate
and other proceedings taken or to be taken in connection with the transactions
contemplated hereby and all documents incidental thereto not previously found
acceptable by Administrative Agent, acting on behalf of Lenders, and its counsel
shall be satisfactory in form and substance to Administrative Agent and such
counsel, and Administrative Agent and such counsel shall have received all such
counterpart originals or certified copies of such documents as Administrative
Agent may reasonably request.
<PAGE>

          C.  Requisite Lenders shall have executed and delivered copies of this
Amendment to Administrative Agent.

          Section 4.  COMPANY'S REPRESENTATIONS AND WARRANTIES

          In order to induce Lenders to enter into this Amendment and to amend
the Credit Agreement in the manner provided herein, Company represents and
warrants to each Lender that the following statements are true, correct and
complete:

          A.  Corporate Power and Authority. Company has all requisite corporate
power and authority to enter into this Amendment and to carry out the
transactions contemplated by, and perform its obligations under, the Credit
Agreement as amended by this Amendment (the "Amended Agreement").

          B.  Authorization of Agreements. The execution and delivery of this
Amendment and the performance of the Amended Agreement have been duly authorized
by all necessary corporate action on the part of Company.

          C.  No Conflict. The execution and delivery by Company of this
Amendment and the performance by Company of the Amended Agreement do not and
will not (i) violate any provision of any law or any governmental rule or
regulation applicable to Company or any of its Subsidiaries, the Certificate or
Articles of Incorporation or Bylaws of Company or any of its Subsidiaries or any
order, judgment or decree of any court or other agency of government binding on
Company or any of its Subsidiaries, (ii) conflict with, result in a breach of or
constitute (with due notice or lapse of time or both) a default under any
Contractual Obligation of Company or any of its Subsidiaries, (iii) result in or
require the creation or imposition of any Lien upon any of the properties or
assets of Company or any of its Subsidiaries or (iv) require any approval of
stockholders or any approval or consent of any Person under any Contractual
Obligation of Company or any of its Subsidiaries.

          D.  Governmental Consents. The execution and delivery by Company of
this Amendment and the performance by Company of the Amended Agreement do not
and will not require any registration with, consent or approval of, or notice
to, or other action to, with or by, any federal, state or other governmental
authority or regulatory body.

          E.  Binding Obligation. This Amendment and the Amended Agreement have
been duly executed and delivered by Company and are the legally valid and
binding obligations of Company, enforceable against Company in accordance with
their respective terms, except as may be limited by bankruptcy, insolvency,
reorganization, moratorium or similar laws relating to or limiting creditors'
rights generally or by equitable principles relating to enforceability.

          F.  Incorporation of Representations and Warranties From Credit
Agreement. The representations and warranties contained in Section 4 of the
Credit Agreement are and will be true, correct and complete in all material
respects on and as of the Second Amendment Effective Date to the same extent as
though made on and as of that date,
<PAGE>

except to the extent such representations and warranties specifically relate to
an earlier date, in which case they were true, correct and complete in all
material respects on and as of such earlier date.

          G.  Absence of Default. No event has occurred and is continuing or
will result from the consummation of the transactions contemplated by this
Amendment that would constitute an Event of Default or a Potential Event of
Default.

          Section 5.  ACKNOWLEDGEMENT AND CONSENT

          Company is a party to the Company Pledge Agreement, pursuant to which
Company has created Liens in favor of Administrative Agent on certain Collateral
to secure the Obligations. Borg-Warner Protective Services Corporation (the
"Credit Support Party") has (i) guarantied the Obligations pursuant to the Borg-
Warner Subsidiary Guaranty and (ii) pledged certain Collateral to Administrative
Agent to secure the obligations of such subsidiary under such guaranty pursuant
to the Borg-Warner Subsidiary Pledge Agreement. Company and such subsidiary are
collectively referred to herein as the "Credit Support Parties", and the Borg-
Warner Subsidiary Guaranty and/or the Borg-Warner Subsidiary Pledge Agreement
and Company Pledge Agreement are collectively referred to herein as the "Credit
Support Documents".

          Each Credit Support Party hereby acknowledges that it has reviewed the
terms and provisions of the Credit Agreement and this Amendment and consents to
the amendment of the Credit Agreement effected pursuant to this Amendment. Each
Credit Support Party hereby confirms that each Credit Support Document to which
it is a party or otherwise bound and all Collateral encumbered thereby will
continue to guaranty or secure, as the case may be, to the fullest extent
possible the payment and performance of all "Obligations," "Guarantied
Obligations" and "Secured Obligations," as the case may be (in each case as such
terms are defined in the applicable Credit Support Document), including without
limitation the payment and performance of all such "Obligations," "Guarantied
Obligations" or "Secured Obligations," as the case may be, in respect of the
Obligations of Company now or hereafter existing under or in respect of the
Amended Agreement and the Notes defined therein.

          Each Credit Support Party acknowledges and agrees that any of the
Credit Support Documents to which it is a party or otherwise bound shall
continue in full force and effect and that all of its obligations thereunder
shall be valid and enforceable and shall not be impaired or limited by the
execution or effectiveness of this Amendment. Each Credit Support Party
represents and warrants that all representations and warranties contained in the
Amended Agreement and the Credit Support Documents to which it is a party or
otherwise bound are true, correct and complete in all material respects on and
as of the Second Amendment Effective Date to the same extent as though made on
and as of that date, except to the extent such representations and warranties
specifically relate to an earlier date, in which case they were true, correct
and complete in all material respects on and as of such earlier date.
<PAGE>

          Each Credit Support Party (other than Company) acknowledges and agrees
that (i) notwithstanding the conditions to effectiveness set forth in this
Amendment, such Credit Support Party is not required by the terms of the Credit
Agreement or any other Loan Document to consent to the amendments to the Credit
Agreement effected pursuant to this Amendment and (ii) nothing in the Credit
Agreement, this Amendment or any other Loan Document shall be deemed to require
the consent of such Credit Support Party to any future amendments to the Credit
Agreement.

          Section 6.  MISCELLANEOUS

          A.  Reference to and Effect on the Credit Agreement and the Other Loan
Documents.

          (i) On and after the Second Amendment Effective Date, each reference
          in the Credit Agreement to "this Agreement", "hereunder", "hereof",
          "herein" or words of like import referring to the Credit Agreement,
          and each reference in the other Loan Documents to the "Credit
          Agreement", "thereunder", "thereof" or words of like import referring
          to the Credit Agreement shall mean and be a reference to the Amended
          Agreement.

          (ii) Except as specifically amended by this Amendment, the Credit
          Agreement and the other Loan Documents shall remain in full force and
          effect and are hereby ratified and confirmed.

          (iii) The execution, delivery and performance of this Amendment shall
          not, except as expressly provided herein, constitute a waiver of any
          provision of, or operate as a waiver of any right, power or remedy of
          Administrative Agent or any Lender under, the Credit Agreement or any
          of the other Loan Documents.

          B.  Fees and Expenses. Company acknowledges that all costs, fees and
expenses as described in subsection 9.2 of the Credit Agreement incurred by
Administrative Agent and its counsel with respect to this Amendment and the
documents and transactions contemplated hereby shall be for the account of
Company.

          C.  Headings. Section and subsection headings in this Amendment are
included herein for convenience of reference only and shall not constitute a
part of this Amendment for any other purpose or be given any substantive effect.

          D.  Applicable Law. THIS AMENDMENT AND THE RIGHTS AND OBLIGATIONS OF
THE PARTIES HEREUNDER SHALL BE GOVERNED BY, AND SHALL BE CONSTRUED AND ENFORCED
IN ACCORDANCE WITH, THE INTERNAL LAWS OF THE STATE OF NEW YORK (INCLUDING
WITHOUT LIMITATION SECTION 5-1401 OF THE GENERAL OBLIGATIONS LAW OF THE STATE OF
NEW YORK), WITHOUT REGARD TO CONFLICTS OF LAWS PRINCIPLES.
<PAGE>

          E.  Counterparts. This Amendment may be executed in any number of
counterparts and by different parties hereto in separate counterparts, each of
which when so executed and delivered shall be deemed an original, but all such
counterparts together shall constitute but one and the same instrument;
signature pages may be detached from multiple separate counterparts and attached
to a single counterpart so that all signature pages are physically attached to
the same document.

                 [Remainder of page intentionally left blank]
<PAGE>

          IN WITNESS WHEREOF, the parties hereto have caused this Amendment to
be duly executed and delivered by their respective officers thereunto duly
authorized as of the date first written above.

                        BORG-WARNER SECURITY CORPORATION

                        By:
                           -----------------------------
                        Title:
                              --------------------------

                        BORG-WARNER PROTECTIVE SERVICES CORPORATION, (for
                        purposes of Section 5 only) as a Credit Support Party

                        By:
                           -----------------------------
                        Title:
                              --------------------------

                        BANKERS TRUST COMPANY, Individually and as
                        Administrative Agent

                        By:
                           -----------------------------
                        Title:
                              --------------------------

                        CIBC INC.,
                        individually and as Documentation Agent

                        By:
                           -----------------------------
                        Title:
                              --------------------------

                        NATIONSBANK, N.A.,
                        individually and as Syndication Agent

                        By:
                           -----------------------------
                        Title:
                              --------------------------
<PAGE>

                        ABN AMRO BANK, N.V., CHICAGO BRANCH

                        By:
                           -----------------------------
                        Title:
                              --------------------------

                        ARAB BANKING CORPORATION

                        By:
                           -----------------------------
                        Title:
                              --------------------------

                        BANK OF HAWAII

                        By:
                           -----------------------------
                        Title:
                              --------------------------

                        THE BANK OF NEW YORK

                        By:
                           -----------------------------
                        Title:
                              --------------------------

                        BANQUE PARIBAS

                        By:
                           -----------------------------
                        Title:
                              --------------------------
<PAGE>

                        CREDIT AGRICOLE INDOSUEZ

                        By:
                           -----------------------------
                        Title:
                              --------------------------

                        COMMERCIAL LOAN FUNDING TRUST I

                        By:  Lehman Commercial Paper Inc., not in its
                             individual capacity but solely as administrative
                             agent.

                             By:  ___________________________________
                             Name:  Michele Swanson
                             Title:  Authorized Signatory

                        THE FUJI BANK, LIMITED
                        CHICAGO BRANCH

                        By:
                           -----------------------------
                        Title:
                              --------------------------

                        IMPERIAL BANK

                        By:
                           -----------------------------
                        Title:
                              --------------------------

                        THE LONG-TERM CREDIT BANK OF JAPAN, LTD.

                        By:
                           -----------------------------
                        Title:
                              --------------------------
<PAGE>

                        MERCANTILE BANK NATIONAL ASSOCIATION

                        By:
                           -----------------------------
                        Title:
                              --------------------------

                        MERITA BANK

                        By:
                           -----------------------------
                        Title:
                              --------------------------

                        UNITED WORLD CHINESE COMMERCIAL BANK, LOS ANGELES AGENCY

                        By:
                           -----------------------------
                        Title:
                              --------------------------

                        TORONTO DOMINION (TEXAS), INC.

                        By:
                           -----------------------------
                        Title:
                              --------------------------

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