Document:

<PAGE>   1
                                  EXHIBIT 10.25
                                 FIFTH AMENDMENT
                                       TO
                     THIRD AMENDED AND RESTATED CONSOLIDATED
               REPLACEMENT CREDIT FACILITY AND SECURITY AGREEMENT
               --------------------------------------------------

                  THIS FIFTH AMENDMENT TO THIRD AMENDED AND RESTATED
CONSOLIDATED REPLACEMENT CREDIT FACILITY AND SECURITY AGREEMENT (this
"Agreement") dated as of February 20, 2001, is entered into by and between
INTERNATIONAL TOTAL SERVICES, INC., an Ohio corporation ("Borrower"), and BANK
ONE, N.A., successor in interest by merger to BANK ONE, CLEVELAND, N.A., a
national banking association, as agent bank for itself and for THE PROVIDENT
BANK, an Ohio banking company (collectively, the "Lender").

                                   WITNESSETH
                                   ----------

                  WHEREAS, the Borrower and the Lender are parties to that
certain Third Amended and Restated Consolidated Replacement Credit Facility and
Security Agreement dated as of March 31, 1997, as amended by that certain First
Amendment dated as of October 10, 1997, that certain Second Amendment dated as
of December 16, 1998, that certain Third Amendment dated as of September 14,
1999 and that certain Fourth Amendment dated as of April 1, 2000 (the "Loan
Agreement"; all terms defined in the Loan Agreement being used herein shall have
the same meanings), pursuant to which the Lender has agreed to make a
$25,000,000 Revolving Loan to the Borrower until March 31, 2001, evidenced by a
Third Amended and Restated Promissory Note dated April 1, 2000 and payable to
the Lender, such Note being payable on March 31, 2000; and

                  WHEREAS, the Borrower and the Lender agreed to amend the Loan
Agreement (i) to extend the maturity date of the Revolving Loan to April 1,
2001; and, (ii) to modify certain definitions in Section 1 of the Loan
Agreement, to modify certain provisions of Section 2 of the Loan Agreement and
to modify certain covenants in Section 8 of the Loan Agreement.

                  WHEREAS, during the term of the Loan Agreement it has
requested additional financial accommodations.

                  NOW THEREFORE, in consideration of the foregoing and the
mutual covenants and agreements contained herein, and for other good and
valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, the Borrower and the Lender agree as follows:

                                    AGREEMENT
                                    ---------

Section 1.        Amendment of Loan Agreement.
                  ---------------------------

                  Except as expressly modified herein, all terms, conditions,
definitions and provisions of the Third Amended and Restated Consolidated
Replacement Credit Facility and Security Agreement and the First, Second, Third
and Fourth Amendment thereto, are in full force and effect.

<PAGE>   2

                                 EXHIBIT 10.25
         1. The definitions set forth in Section 1 of the Agreement are,
effective on the Effective Date (defined in Section 2 below), hereby amended to
include the following:

                  1. SOFA INTEREST RATE - A fluctuating rate equal to three and
one half of one percent (3.50%) above the Base Rate on any portion of the SOFA.

         2. Subsections 2.3(A) and (C) of the Loan Agreement are, effective on
the Effective Date, amended and restated to read in their entirety as follows:

                  2.3 REVOLVING LOAN.

                           (1) REVOLVING LOAN. Subject at all times to the terms
                  hereof, the Lender will, from and after April 1, 2000 and
                  until April 1, 2001, make such loans to the Borrower as from
                  time to time the Borrower requests (the "Revolving Loan")
                  consisting of advances made by Lender against the value of
                  Eligible Accounts-Domestic. Subject to the provisions of
                  Subsection (B) of this Section 2.3, the aggregate unpaid
                  principal of the Revolving Loan outstanding at any one time
                  shall not exceed the lesser of: (a) the line of credit
                  approved for Borrower, which is currently Twenty-Five Million
                  Dollars ($25,000,000), less the face amount of all outstanding
                  Letters of Credit issued by Lender for the account of
                  Borrower; or, (b) during the period from the Effective Date to
                  April 1, 2001, (i) eighty-five percent (85%) of the unpaid
                  face amount of Eligible Accounts-Domestic (or such other
                  percentages of Eligible Accounts-Domestic as may from time to
                  time be fixed by the Lender upon notice to the Borrower), less
                  the face amount of any outstanding Letters of Credit, plus
                  (ii) a seasonal overadvance (the "SOFA") of up to
                  $3,000,000.00

                           (C) The form of Borrower's Certificate attached to
                  the Loan Agreement as Exhibit A is, effective on the Effective
                  Date, hereby deleted, and the form of Borrower's Base
                  Certificate attached to this Agreement as EXHIBIT A is hereby
                  substituted therefor.

Section 2. Effective Date of the Agreement.
           -------------------------------

                  The effective date of this Agreement ("Effective Date") shall
be February 20, 2001 but Lender shall have no duty to fund until the date on
which all conditions precedent have been satisfied, or waived by the Lender in
writing.

Section 3. Facility Fee.
           ------------

         Contemporaneously with the execution of this Agreement, Borrower shall
pay to Lender a Facility Fee of $10,000.00 plus all reasonable attorney fees
associated with the preparation of this Amended Agreement

                                       2

<PAGE>   3

                                 EXHIBIT 10.25

Section 4. Conditions Precedent.
           --------------------

         Borrower hereby acknowledges and agrees that the effectiveness of this
Agreement is conditioned upon the receipt by the Lender, on or prior to the date
hereof, in form and substance satisfactory to the Lender and its counsel that
there shall be an Acknowledgment, Consent and Agreement in the form of EXHIBIT B
attached hereto, with all blanks completed, duly executed and delivered by the
Guarantors to Lender as identified in Schedule 1 attached hereto

Section 5. Covenants and Continuing Agreements.
           -----------------------------------

         All other terms, conditions, representations and warranties, covenants
and other agreements contained in the Fourth Amendment to the Third Amended and
Restated Consolidated Replacement Credit Facility and Security Agreement shall
remain in full force and effect.

Section 6. References.
           ----------

         On and after the Effective Date of this Agreement, each reference in
the Loan Agreement to "this Agreement", "hereunder", "hereof", or words of like
import referring to the Loan Agreement, and in the Note to the "Loan Agreement",
"thereof", or words of like import referring to the Loan Agreement, shall mean
and refer to the Loan Agreement and shall be deemed to refer to the form of
Borrowing Base Certificate attached hereto as Exhibit A. The Loan Agreement, as
previously amended and as amended by this Agreement, and all Credit Documents
are and shall continue to be in full force and effect and are hereby and in all
respects ratified and confirmed. References to the Loan Agreement in the Note
shall be deemed to include all amendments to the Loan Agreement whether
specified in the Note or not.

Section 7. Applicable Law.
           --------------

         This Agreement shall be deemed to be a contract under the laws of the
State of Ohio, and for all purposes shall be construed in accordance with the
laws of the State of Ohio.

Section 8. Release.
           -------

         The Borrower hereby represents and warrants to the Lender, and agrees
with the Lender, that it has no claim or offset against, or defense or
counterclaim to, any Obligation or Indebtedness to the Lender under the Loan
Agreement or other Credit Documents and, in consideration of this Agreement, the
Borrower hereby releases and discharges the Lender and its shareholders,
directors, officers, employees, attorneys, affiliates and subsidiaries from any
and all claims, demands, liability and causes of action whatsoever, now known or
unknown, existing on the Effective Date and arising prior to the date hereof and
arising out of or in any way related to Obligations, the Loan Agreement, this
Agreement, or any security interest related thereto or the administration of the
Revolving Loan or any other Indebtedness of Borrower, the Guarantors, or any
Affiliate to the Lender.

                                       3

<PAGE>   4

                                 EXHIBIT 10.25

Section 9. Counterparts.
           ------------

         This Agreement may be executed in any number of counterparts, all of
which taken together shall constitute one and the same instrument, and any one
of the parties hereto may execute this Agreement by signing any such
counterpart.

         IN WITNESS WHEREOF, the Borrower and the Lender have caused this
Agreement to be executed by their duly authorized officers as of the date and
year first above written.

BANK ONE, N.A.                                INTERNATIONAL TOTAL SERVICES, INC.

By:_/s/ T. Steven Blake                       By:_/s/ Mark D. Thompson
Name: T. Steven Blake                         Name:  Mark D. Thompson
Title: First Vice President, Managed Assets   Title: Chief Executive Officer

                                       4
<PAGE>   5

                                  EXHIBIT 10.25
                                   SCHEDULE 1
                                   ----------

                               List of Guarantors
                               ------------------

Domestic
--------

                  Crown Technical Systems, Inc. (Ohio)

                  T.I.S. Incorporated (Texas)

                  Certified Investigative Services, Inc. (Texas)

                  I.T.S. of New York, Inc. (New York)

                  Selective Detective Services, Inc. (New Jersey)

Foreign
-------

                  International Total Services, Ltd. (United Kingdom)

                  International Transport Security, s.r.o. (Czech Republic)

                  International Transport Services, Ltd. (Thailand)

                                       5
<PAGE>   6

                                 EXHIBIT 10.25
                                    EXHIBIT B

                      Acknowledgment, Consent and Agreement
                      -------------------------------------

                                 [SEE ATTACHED]

                                       6
<PAGE>   7

                                 EXHIBIT 10.25
                      ACKNOWLEDGMENT, CONSENT AND AGREEMENT
                      -------------------------------------

                  The undersigned each hereby acknowledges receipt of a copy of
the Fifth Amendment to Third Amended and Restated Consolidated Replacement
Credit Facility and Security Agreement dated as of February __, 2001, by and
between International Total Services, Inc. ("Borrower") and Bank One, N.A.,
successor by merger to Bank One, Cleveland, N.A. ("Bank One") and by executing
this Acknowledgment, Consent and Agreement the undersigned each hereby agrees to
remain bound by the terms and conditions of its respective Amended and Restated
Replacement Guaranty Agreement, Guaranty Agreement, Amended and Restated
Replacement Guarantor Security Agreement and Guarantor Security Agreement, as
applicable, each dated as of August 11, 1995, executed and delivered to Bank One
in connection with the Second Amended and Restated Replacement Credit Agreement
dated as of August 11, 1995, as subsequently amended, and each other document
hereafter executed in connection herewith or therewith by the undersigned.

Dated: February __, 2001            CROWN TECHNICAL SYSTEMS, INC.

                                    By:_________________________________
                                          Name:
                                          Title: Chairman of the Board

                                    T.I.S. INCORPORATED

                                    By:_________________________________
                                          Name:
                                          Title: Chief Executive Officer

                                    CERTIFIED INVESTIGATIVE SERVICES, INC.

                                    By:_________________________________
                                          Name:
                                          Title: Chief Executive Officer

                                    I.T.S. OF NEW YORK, INC.

                                    By:_________________________________
                                          Name:
                                          Title: Chief Executive Officer

                                       7

<PAGE>   8

                                 EXHIBIT 10.25
                                      SELECTIVE DETECTIVE SERVICES, INC.

                                      By:_________________________________
                                            Name:
                                            Title: Chief Executive Officer

                                      INTERNATIONAL TOTAL SERVICES, LTD.

                                      By:___________________________________
                                            Name:
                                            Title: Chief Executive Officer

                                      INTERNATIONAL TRANSPORT SECURITY, s.r.o.

                                      By:_________________________________
                                            Name:
                                            Title: Chief Executive Officer

                                      INTERNATIONAL TRANSPORT SERVICES, LTD.

                                      By:__________________________________
                                            Name:
                                            Title: Chief Executive Officer

                                       8

<PAGE>   9

                                  EXHIBIT 10.25
                                    EXHIBIT A

                           Borrowing Base Certificate
                           --------------------------

                                 [SEE ATTACHED]

                                       9

<PAGE>   10

                                 EXHIBIT 10.25
                           BORROWING BASE CERTIFICATE
                           --------------------------

At the close of business on 0/00/00                  Report # 479
------------------------------------
                                                     Date         0/00

Collateral Status                                        Computation
-----------------                                        Of Collateral
                                                         -------------

1.  Balance (Domestic A/R)                                    $0
2.  Less: Ineligible Collateral (Domestic)                    $0
                                                              --
3.  Eligible Collateral                                       $0
4.  Advance % rate                                            85%
5.  Net Availability                                          $0

         Total Availability

6.  Available - Not To Exceed $25,000,000                     $0
7.  Less Reserves (Letters to Credit) #                       $0
8.  NET                                                       $0
                                                              ==

Loan Status
9.   Previous Loan Balance                                    $0
10.   Less: Collections                                       $0
11. Add: Request for Funds                                    $0
            Wire Transfers                                    $0
             Other (interest, fees, etc.)                     $0
                                                              --
12. New Loan Balance                                          $0
                                                              --

13. Excess Available (Line 8-12) may not                      $0
exceed ($3,000,000.00)                                        ==

Borrower represents and warrants to Bank One, N.A. that all of the information
presented above and accompanying this Certificate is true, complete and correct
in every aspect as of the date hereof and has been computed in compliance with
the terms of the Fifth Amendment to Third Amended and Restated Consolidated
Replacement Credit Facility and Security Agreement dated 2/__/01, as amended,
between Bank One, N.A., and International Total Services, Inc. (the "Credit
Agreement"). In the event of any conflict between the terms of this Certificate
and the Credit Agreement, the terms of the Credit Agreement shall control.
Borrower further represents and warrants that as of the date hereof, after
giving effect to any loan or advance requested by Borrower contemporaneously
herewith, except as may have been otherwise expressly disclosed in writing by
Borrower to and received by Bank One N.A., that; (I) no Event of Default under
the terms of the Credit Facility, and no event which, but for a requirement of
giving notice or passage of time, or both, would constitute such an Event of
Default, has occurred or is continuing; (ii) each representation and warranty
contained in the Credit Agreement and related documents are true and correct;
(iii) there has been no material adverse change in Borrower's financial
position, operations or assets since the date of the latest financial statements
of Borrower delivered to Bank One, N.A.; (iv) to the extent that any loan or
advance requested contemporaneously herewith, or that is otherwise based upon
this certificate, will be used, in whole or in part, for the payment of wages,
Borrower has paid or deposited or is able to pay and intends to and shall make
timely payment or deposit of all taxes required to be deducted and withheld from
said wages; (v) all said wages incurred in the production of any inventory
included in this Certificate have been paid or will be timely paid. Borrower
acknowledges that Bank One is entitled to rely on this Certificate in making
loans and advances to Borrower.

<TABLE>
<CAPTION>
--------------------------------------------------------------------------------------------------------------------
Borrower Name:                           Authorized Signature:                 Title:
International Total Services, Inc.                                             EVP
--------------------------------------------------------------------------------------------------------------------
<S>                                      <C>                                   <C>
</TABLE>

                                       10
<PAGE>   11

                                 EXHIBIT 10.25
<TABLE>
<CAPTION>
                                         Prepared By:                          Cash Mgmt. Dir.
                                         ------------------------------------- -------------------------------------
<S>                                      <C>                                   <C>
</TABLE>

#Includes the reserve for Delta G-Max accounts and the FAA Fine Accrual.

                                       11<PAGE>   1
                                  EXHIBIT 10.26
                                 SIXTH AMENDMENT
                                       TO
                     THIRD AMENDED AND RESTATED CONSOLIDATED
               REPLACEMENT CREDIT FACILITY AND SECURITY AGREEMENT
               --------------------------------------------------

                  THIS SIXTH AMENDMENT TO THIRD AMENDED AND RESTATED
CONSOLIDATED REPLACEMENT CREDIT FACILITY AND SECURITY AGREEMENT (this
"Agreement") dated as of April 1, 2001, is entered into by and between
INTERNATIONAL TOTAL SERVICES, INC., an Ohio corporation ("Borrower"), and BANK
ONE, N.A., successor in interest by merger to BANK ONE, CLEVELAND, N.A., a
national banking association, as agent bank for itself and for THE PROVIDENT
BANK, an Ohio banking company (collectively, the "Lender").

                                   WITNESSETH
                                   ----------

                  WHEREAS, the Borrower and the Lender are parties to that
certain Third Amended and Restated Consolidated Replacement Credit Facility and
Security Agreement dated as of March 31, 1997, as amended by that certain First
Amendment dated as of October 10, 1997, that certain Second Amendment dated as
of December 16, 1998, that certain Third Amendment dated as of September 14,
1999, that certain Fourth Amendment dated as of April 1, 2000 and that certain
Fifth Amendment dated as of February 2001 (the "Loan Agreement"; all terms
defined in the Loan Agreement being used herein shall have the same meanings),
pursuant to which the Lender has agreed to make a $25,000,000 Revolving Loan to
the Borrower until April 1, 2001, evidenced by a Third Amended and Restated
Replacement Promissory Note dated April 1, 2000 and payable to the Lender, such
Note being payable on April 1, 2001; and

                  WHEREAS, the Borrower and the Lender agreed to amend the Loan
Agreement (i) to extend the maturity date of the Revolving Loan to July 1, 2001;
(ii) to provide additional security to the Lender; and, (ii) to modify certain
definitions contained in the Loan Agreement.

                  NOW THEREFORE, in consideration of the foregoing and the
mutual covenants and agreements contained herein, and for other good and
valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, the Borrower and the Lender agree as follows:

                                    AGREEMENT
                                    ---------

Section 1.        Amendment of Loan Agreement.
                  ---------------------------

                  Except as expressly modified herein, all terms, conditions,
definitions and provisions of the Third Amended and Restated Consolidated
Replacement Credit Facility and Security Agreement and the First, Second, Third,
Fourth and Fifth Amendments thereto, are in full force and effect.

                  A. The definition of "Notes" as set forth in Section 1 of the
Loan Agreement is effective on the Effective Date (defined below), hereby
amended and restated to read as follows:

<PAGE>   2

                                  EXHIBIT 10.26
                  NOTES - The Fourth Amended and Restated Replacement Promissory
                  Note (Revolving Loan) and any other promissory note or other
                  instrument evidencing Borrower's obligation to repay any
                  Obligations.

                  B. Subsections 2.3(A) and (B) of the Loan Agreement is,
effective on the Effective Date, amended and restated as follows:

                           (A) REVOLVING LOAN. The reference to April 1, 2001,
                  shall be deleted and replaced with July 1, 2001.

                           (B) PAYMENT. The reference to April 1, 2001, shall be
                  deleted and replaced with July 1, 2001.

Section 2.        Effective Date of the Agreement.
                  -------------------------------

                  The effective date of this Agreement ("Effective Date") shall
be April 1, 2001 but Lender shall have no duty to fund until the date on which
all conditions precedent have been satisfied, or waived by the Lender in
writing.

Section 3.        Conditions Precedent.
                  --------------------

                  Borrower hereby acknowledges and agrees that the effectiveness
of this Agreement is conditioned upon the receipt by the Lender, on or prior to
the date hereof, in form and substance satisfactory to the Lender and its
counsel, of the following:

                  A. A certificate, dated as of the date hereof, signed by the
Secretary of Borrower certifying as follows:

                           (i) Borrower's Articles of Incorporation and Code of
                  Regulations have not been modified or amended since June 17,
                  1997 (or certifying that true, correct and complete copies of
                  all such modifications and amendments are attached thereto);
                  and

                           (ii) Copies of resolutions of Borrower's Board of
                  Directors are attached thereto with respect to the approval of
                  this Agreement and of the matters contemplated hereby and
                  authorizing the execution, delivery and performance of this
                  Agreement and each other document, instrument, agreement or
                  note to be delivered pursuant hereto; and

                           (iii) As to the incumbency and signatures of the
                  officers of Borrower signing this Agreement and each other
                  document, instrument, agreement or note to be delivered
                  pursuant hereto.

                                       2

<PAGE>   3

                                  EXHIBIT 10.26
                  B. The Fourth Amended and Restated Replacement Promissory Note
(Revolving Loan) in the form of EXHIBIT A attached hereto, with all blanks
completed, duly executed and delivered by Borrower to Lender.

                  C. An Acknowledgment, Consent and Agreement in the form of
Exhibit B attached hereto, with all blanks completed, duly executed and
delivered by the Guarantors as identified in Schedule 1 attached hereto to
Lender.

                  D. Such other documents, instruments, agreements and notes as
the Lender may reasonably request to implement this Agreement and the
transactions contemplated hereby and by the Loan Agreement.

Section 4.        Facility Fee.
                  ------------

                  Contemporaneously with the execution of this Agreement,
Borrower shall pay to Lender a Facility Fee of $30,000 plus reasonable fees and
expenses, including but not limited to, attorney's fees, auditor's fees, etc.

Section 5.        Covenants and Continuing Agreements
                  -----------------------------------

                  A. No later than April 5, 2001, the Borrower shall execute and
deliver to the Lender, dated and effective as of the date hereof, a Stock Pledge
Agreement, pledging the stock of the Borrower's subsidiary International Total
Services, Ltd. (United Kingdom), in the form attached hereto as Exhibit C.

                  B. Section 8.2 of the Loan Agreement is, effective on the
Effective Date, amended to add the following subsections:

                  8.2 NEGATIVE COVENANTS. So long as Borrower shall have any
                  Obligations to Lender under this Agreement (the Loan
                  Agreement), Borrower covenants that unless Lender has first
                  consented hereto, in writing, it will not:

                           (T) Change its current stock ownership, by more than
                           twenty percent (20%) whether by a sale,
                           recapitalization, reorganization, stock split, share
                           exchange or similar act.

                           (U) Suffer a material change in its management
                           personnel and/or management structure.

                           (V) Lose any major contract(s) (such as by way of
                           example and not limitation, Delta, Continental or
                           American) which would result in a loss of ten percent
                           (10%) or more of its annual revenues as reported on
                           Borrower's financial statements for the year ending
                           March 31, 2001.

                                       3

<PAGE>   4

                                  EXHIBIT 10.26

Section 6.        References.
                  ----------

                  On and after the Effective Date of this Agreement, each
reference in the Loan Agreement to "this Agreement", "hereunder", "hereof", or
words of like import referring to the Loan Agreement, and in the Note to the
"Loan Agreement", "thereof", or words of like import referring to the Loan
Agreement, shall mean and refer to the Loan Agreement. References to Exhibit C-1
in the definition of "Revolving Note" in the Loan Agreement shall be deemed to
refer to the Note, a copy of which is attached hereto as EXHIBIT A. The Loan
Agreement, as previously amended and as amended by this Agreement, and all
Credit Documents are and shall continue to be in full force and effect and are
hereby and in all respects ratified and confirmed. References to the Loan
Agreement in the Note shall be deemed to include all amendments to the Loan
Agreement whether specified in the Note or not.

Section 7.        Applicable Law.
                  --------------

                  This Agreement shall be deemed to be a contract under the laws
of the State of Ohio, and for all purposes shall be construed in accordance with
the laws of the State of Ohio.

Section 8         Release.
                  -------

                  The Borrower hereby represents and warrants to the Lender, and
agrees with the Lender, that it has no claim or offset against, or defense or
counterclaim to, any Obligation or Indebtedness to the Lender under the Loan
Agreement or other Credit Documents and, in consideration of this Agreement, the
Borrower hereby releases and discharges the Lender and its shareholders,
directors, officers, employees, attorneys, affiliates and subsidiaries from any
and all claims, demands, liability and causes of action whatsoever, now known or
unknown, existing on the Effective Date and arising prior to the date hereof and
arising out of or in any way related to Obligations, the Loan Agreement, this
Agreement, or any security interest related thereto or the administration of the
Revolving Loan or any other Indebtedness of Borrower, the Guarantors, or any
Affiliate to the Lender.

Section 9.        Counterparts.
                  ------------

                  This Agreement may be executed in any number of counterparts,
all of which taken together shall constitute one and the same instrument, and
any one of the parties hereto may execute this Agreement by signing any such
counterpart.

                                       4
<PAGE>   5

                                  EXHIBIT 10.26
                  IN WITNESS WHEREOF, the Borrower and the Lender have caused
this Agreement to be executed by their duly authorized officers as of the date
and year first above written.

BANK ONE, N.A.                                INTERNATIONAL TOTAL SERVICES, INC.

By: /s/ T. Steven Blake                       By: /s/ Michael Sosh
Name: T. Steven Blake                         Name: Michael Sosh
Title: First Vice President, Managed Assets   Title: Executive Vice President

                                       5

<PAGE>   6

                                  EXHIBIT 10.26

                                   SCHEDULE 1
                                   ----------

                               List of Guarantors
                               ------------------

Domestic
--------

                  Crown Technical Systems, Inc. (Ohio)

                  T.I.S. Incorporated (Texas)

                  Certified Investigative Services, Inc. (Texas)

                  I.T.S. of New York, Inc. (New York)

                  Selective Detective Services, Inc. (New Jersey)

Foreign
-------

                  International Total Services, Ltd. (United Kingdom)

                  International Transport Security, s.r.o. (Czech Republic)

                  International Transport Services, Ltd. (Thailand)

                                       6

<PAGE>   7

                                  EXHIBIT 10.26
                                    EXHIBIT A

Form of Fourth Amended and Restated Replacement Promissory Note (Revolving Loan)
--------------------------------------------------------------------------------

                                 [SEE ATTACHED]

                                       7

<PAGE>   8

                                  EXHIBIT 10.26
                           FOURTH AMENDED AND RESTATED
                           REPLACEMENT PROMISSORY NOTE
                                (Revolving Loan)

$25,000,000                                                      Cleveland, Ohio
                                                             As of April 1, 2001

                  FOR VALUE RECEIVED, INTERNATIONAL TOTAL SERVICES, INC., a
corporation organized under the laws of the State of Ohio (hereinafter referred
to as the "Company"), promises to pay to the order of BANK ONE, N.A., successor
by merger to BANK ONE, CLEVELAND, N.A. (hereinafter referred to as the "Bank"),
the principal amount of Twenty-Five Million Dollars ($25,000,000), or such
lesser amount as shall have from time to time been borrowed by the Company, on
July 1, 2001, or sooner as hereinafter provided, with interest on the unpaid
balance of said principal amount from the date hereof at the Contract Rate, as
defined in the Agreement hereinafter referred to, which definition is hereby
accepted by the Company, as the same may from time to time be established.

                  The Company agrees to pay interest on the unpaid principal
amount outstanding of this Note in monthly installments, commencing on the 1st
day of May, 2000 and continuing on the 1st day of each month thereafter. The
unpaid balance of the principal amount outstanding and all accrued interest
thereon shall be due and payable on July 1, 2001.

                  Payments of both principal of and interest on this Note shall
be made in lawful money of the United States of America, at 600 Superior Avenue,
Cleveland, Ohio 44114, or at such other place as the Bank or any subsequent
holder hereof shall have designated to the Company in writing. Interest payable
on this Note shall be computed on a three hundred sixty (360) day per year basis
counting the actual number of days elapsed.

                  This Note, in part, evidences, but does not extinguish or
satisfy, a pre-existing indebtedness of the Company to the Bank heretofore
evidenced by a $25,000,000 Second Amended and Restated Replacement Promissory
Note, a $30,000,000 Amended and Restated Replacement Promissory Note (Revolving
Loan) dated October 10, 1997 to the Bank, which note was issued in substitution
for that certain $10,500,000 Replacement Promissory Note (Revolving Loan) dated
March 31, 1997 to the Bank and is issued pursuant to and is entitled to the
benefits of a Third Amended and Restated Consolidated Replacement Credit
Facility and Security Agreement dated as of March 31, 1997, as amended by that
certain First Amendment to Third Amended and Restated Consolidated Replacement
Credit Facility and Security Agreement dated as of October 10, 1997, that
certain Second Amendment to Third Amended and Restated Consolidated Replacement
Credit Facility and Security Agreement dated as of December 16, 1998 and that
certain Third Amendment to Third Amended and Restated Consolidated Replacement
Credit Facility and Security Agreement dated September 14, 1999, that certain
Fourth Amendment to Third Amended and Restated Consolidated Replacement Credit
Facility and Security Agreement dated April 1, 2000, that certain Fifth
Amendment to Third Amended and Restated Consolidated Replacement Credit Facility
and Security Agreement dated February 2001, and a Sixth Amendment to Third
Amended and Restated

<PAGE>   9

                                  EXHIBIT 10.26
Consolidated Replacement Credit Facility and Security Agreement dated of even
date, each by and between the Company and the Bank (collectively, the
"Agreement"), to which Agreement reference is hereby made for a statement of the
rights and obligations of the Bank and the duties and obligations of the Company
in relation thereto; but neither this reference to the Agreement nor any
provisions thereof shall affect or impair the absolute and unconditional
obligation of the Company to pay the principal of or interest on this Note when
due.

                  The Company may prepay all or any portion of this Note at any
time or times and in any amount only as provided in the Agreement.

                  In case an Event of Default, as defined in the Agreement,
shall occur and be continuing beyond any applicable grace period, the principal
of this Note may be declared immediately due and payable at the option of the
Bank.

                  No delay on the part of any holder hereof in exercising any
power or rights hereunder shall operate as a waiver of any power or rights. Any
demand or notice hereunder to the Company may be made by delivering the same to
the address last known to the Bank, or by mailing the same to such address, with
the same effect as if delivered to the Company in person.

                  The Company hereby authorizes any attorney-at-law to appear in
any court of record in the State of Ohio, or in any other state or territory of
the United States, at any time or times after the above sum becomes due, and
waive the issuance and service of process and confess judgment against it, in
favor of any holder of this Note, for the amount then appearing due, together
with the costs of suit, and thereupon to release all errors and waive all rights
of appeal and stay of execution. The foregoing warrant of attorney shall survive
any judgment, it being understood that should any judgment be vacated for any
reason, the foregoing warrant of attorney nevertheless may thereafter be used
for obtaining an additional judgment or judgments.

                  "WARNING. BY SIGNING THIS PAPER YOU GIVE UP YOUR RIGHT TO
NOTICE AND COURT TRIAL. IF YOU DO NOT PAY ON TIME, A COURT JUDGMENT MAY BE TAKEN
AGAINST YOU WITHOUT YOUR PRIOR KNOWLEDGE AND THE POWERS OF A COURT CAN BE USED
TO COLLECT FROM YOU REGARDLESS OF ANY CLAIMS YOU MAY HAVE AGAINST THE CREDITOR
WHETHER FOR RETURNED GOODS, FAULTY GOODS, FAILURE ON HIS PART TO COMPLY WITH THE
AGREEMENT OR ANY OTHER CAUSE."

                  This Note is executed at Cleveland, Cuyahoga County, Ohio.

                                              INTERNATIONAL TOTAL SERVICES, INC.

                                              By: ______________________________
                                                  Name:
                                                  Its: Chief Executive Officer

<PAGE>   10

                                  EXHIBIT 10.26

<PAGE>   11

                                  EXHIBIT 10.26
                                    EXHIBIT B

                      Acknowledgment, Consent and Agreement
                      -------------------------------------

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