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                                                                    EXHIBIT 3.6

                                  WestSec, Inc.
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                                     BY-LAWS

                                    ARTICLE I

                                  STOCKHOLDERS


          Section 1. The annual meeting of the stockholders of the Company
beginning with the year 1997, shall be held on the first Tuesday of May in each
year (or if said day be a legal holiday, then on the next succeeding day not a
holiday), at 11:00 A.M., at the principal office of the Company in the City of
Topeka, Kansas, or such other place in the State of Kansas as the Board of
Directors may designate for the purpose of electing Directors and transacting
such other business as may properly be brought before the meeting.

          Section 2. Special meetings of the stockholders may be held upon call
of the Board of Directors or the Chairman of the Board or the President, at such
time and at such place within or without the State of Kansas as may be stated in
the call and notice.

          Section 3. Notice stating the place, day and hour of every meeting of
the stockholders, and in the case of a special meeting further stating the
purpose for which such meeting is called, shall be mailed at least ten days
before the meeting to each stockholder of record who shall be entitled to vote
thereat, at the last known post office address of each such stockholder as it
appears upon the books of the Company. Such further notice shall be given by
mail, publication or otherwise, as may be required by law. Any meeting may be
held without notice if all of the stockholders entitled to vote are present or
represented at the meeting, or all of the stockholders entitled to notice of the
meeting sign a waiver thereof in writing.

          Section 4. The holders of record of a majority of the shares of the
capital stock of the Company issued and outstanding, entitled to vote thereat,
present in person or represented by proxy, shall constitute a quorum at all
meetings of the stockholders, and the vote of a majority of such quorum shall be
necessary for the transaction of any business, unless otherwise provided by law,
by the Articles of Incorporation or by the By-laws. If at any meeting there
shall be no quorum, the holders of record, entitled to vote, of a majority of
such shares of stock so present or represented may adjourn the meeting from time
to time, without notice other than announcement at the meeting, until a quorum
shall have been obtained, when any business may be transacted which might have
been transacted at the meeting as first convened had there been a quorum.

          Section 5. Meetings of the stockholders shall be presided over by the
Chairman of the Board or, if he is not present, by the President or, in his
absence, by a 


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Vice President. In the event that none of such officers be present, then the
meeting shall be presided over by a chairman to be chosen at the meeting. The
Secretary of the Company or, if he is not present, an Assistant Secretary of the
Company or, if neither the Secretary nor an Assistant Secretary is present, a
secretary to be chosen at the meeting shall act as secretary of the meeting.

          Section 6. At all meetings of the stockholders every holder of record
of the shares of the capital stock of the Company, entitled to vote thereat, may
vote thereat either in person or by proxy.

          Section 7. The Board of Directors shall have power to close the stock
transfer books of the Company for a period not exceeding fifty days preceding
the date of - -

                     (a)  Any meeting of the stockholders;
                     (b)  Any payment of any dividends;
                     (c)  Any allotment of rights;
                     (d)  Any effective date of change or
                          conversion or exchange of capital stock;

or, in lieu of closing the stock transfer books, the Board of Directors may fix
in advance a date not exceeding fifty days preceding the effective date of any
of the above enumerated transactions, and in such case only such stockholders as
shall be stockholders of record on the date so fixed shall be entitled to
receive notice of and to vote at such meeting, or to receive payment of such
dividend, or to receive allotment of rights, or to exercise rights of change,
conversion or exchange of capital stock, as the case may be, or to participate
in any of the above transactions, notwithstanding any transfer of any stock on
the books of the Company after such record date fixed as aforesaid.


                                   ARTICLE II

                                    DIRECTORS

          Section 1. Subject to the provisions of the Articles of Incorporation,
the Directors shall be elected at the regular annual meeting of stockholders,
but if such election of Directors is not held on the day of the annual meeting,
the Directors shall cause the election to be held as soon thereafter as
conveniently may be.

         A majority of the members of the Board shall constitute a quorum for
the filling of vacancies of the Board of Directors and the transaction of
business, but if at any meeting of the Board there shall be less than a quorum
present, a majority of the Directors present may adjourn the meeting from time
to time without notice, other than announcement of the meeting, until a quorum
shall have been obtained, when any 



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business may be transacted which might have been transacted at the meeting as
first convened had there been a quorum. The acts of a majority of the Directors
present at any meeting at which there is a quorum shall, except as otherwise
provided by law, by the Articles of Incorporation or the By-Laws, be the acts of
the Board.

          Section 2. Vacancies in the Board of Directors, caused by death,
resignation or otherwise, may be filled at any meeting of the Board of Directors
and the directors so elected shall hold office until the next annual meeting of
the stockholders and until their successors are elected and qualified.

          Section 3. Meetings of the Board of Directors shall be held at such
place within or without the State of Kansas as may from time to time be fixed by
resolution of the Board or as may be specified in the call of any meeting.
Regular meetings of the Board shall be held at such time as may from time to
time be fixed by resolution of the Board, and notice of such meetings need not
be given. Special meetings of the Board may be held at any time upon call of the
Chairman of the Board or the President or a Vice President, by oral, telegraphic
or written notice, duly served on or sent or mailed to each director. Members of
the Board may participate in any meeting of such Board by means of conference
telephone or similar communications equipment by means of which all persons
participating in the meeting can hear each other, and participation in such
meeting shall constitute presence in person at the meeting. A meeting of the
Board may be held without notice immediately before or after the annual meeting
of the stockholders at the same place at which such meeting is held. Any meeting
may be held without notice if all of the directors are present at the meeting,
or if all of the directors sign a waiver thereof in writing. Any action required
or permitted to be taken at any meeting of the Board of Directors may be taken
without a meeting if all members of the board consent thereto in writing.

          Section 4. Meetings of the Board of Directors shall be presided over
by the Chairman of the Board, or, if he is not present, by the President or, if
he is absent, by a Vice President. In the event none of such officers are
present, then the meeting shall be presided over by a chairman to be chosen at
the meeting. The Secretary of the Company or, if he is not present, an Assistant
Secretary of the Company or, if neither the Secretary nor an Assistant Secretary
is present, a secretary to be chosen at the meeting shall act as secretary of
the meeting.

          Section 5. Each director of the Company who is not a salaried officer
or salaried employee of the Company shall be entitled to receive such
remuneration for serving as a director and as a member of any committee of the
Board as may be fixed from time to time by the Board of Directors.



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                                   ARTICLE III

                                    OFFICERS

          Section 1. The Board of Directors, as soon as may be after its
election held in each year, shall choose one of its number President of the
Company and shall appoint one or more Vice Presidents, a Secretary and a
Treasurer of the Company and from time to time may appoint such Assistant
Secretaries, Assistant Treasurers, and other officers and agents of the Company
as it may deem proper. The offices of Secretary and Treasurer may be held by the
same person, and a Vice President of the Company may also be either the
Secretary or the Treasurer.

          Section 2. The term of office of all officers shall be one year or
until the respective successors are chosen or appointed, but any officer or
agent may be removed, with or without cause, at any time by the affirmative vote
of a majority of the members of the Board then in office.

          Section 3. Subject to such limitations as the Board of Directors may
from time to time prescribe, the officers of the Company shall each have such
powers and duties as generally pertain to their respective offices, as well as
such powers and duties as from time to time may be conferred by the Board of
Directors. The Treasurer, the Assistant Treasurers and any other officers or
employees of the Company may be required to give bond for the faithful discharge
of their duties, in such sum and of such character as the Board may from time to
time prescribe.

          Section 4. The salaries of all officers and agents of the Company
shall be fixed by the Board of Directors, or pursuant to such authority as the
Board may from time to time prescribe.


                                   ARTICLE IV

                              CERTIFICATES OF STOCK

          Section 1. The interest of each shareholder in the Company shall be
evidenced by a certificate or certificates for shares of stock of the Company in
such form as the Board of Directors may from time to time prescribe.
Certificates for shares of stock of the Company shall be signed by the Chairman
of the Board or the President or any Vice President and the Treasurer or any
Assistant Treasurer of this corporation and sealed with its corporate seal, or
when the same bear the facsimile signature of the Chairman of the Board or the
President or any Vice President and of the Treasurer or any Assistant Treasurer
of the corporation and its facsimile seal and shall be countersigned and
registered in such manner, if any, as the Board may by resolution, prescribe.



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          Section 2. The shares of stock of the Company shall be transferable
only on the books of the Company by the holders thereof in person or by duly
authorized attorney, upon surrender for cancellation of certificates for a like
number of shares of the same class of stock, with duly executed assignment and
power of transfer endorsed thereon or attached thereto and such proof of the
authenticity of the signatures as the Company or its agents may reasonably
require.

          Section 3. No certificate for shares of stock of the Company shall be
issued in place of any certificate alleged to have been lost, stolen or
destroyed, except upon production of such evidence of the loss, theft, or
destruction, and upon indemnification of the Company and its agents to such
extent and in such manner as the Board of Directors may from time to time
prescribe.


                                    ARTICLE V

                               CHECKS, NOTES, ETC.

      All checks and drafts on the Company's bank accounts and all bills of
exchange and promissory notes, and all acceptances, obligations and other
instruments for the payment of money, shall be signed by such officer or
officers or agent or agents as shall be thereunto authorized from time to time
by the Board of Directors; provided that checks drawn on the Company's dividend,
general and special accounts may bear the facsimile signature, affixed thereto
by a mechanical device, of such officer or agent as the Board of Directors shall
authorize.


                                   ARTICLE VI

                                   FISCAL YEAR

      The Fiscal year of the Company shall begin on the first day of January in
each year and shall end on the thirty-first day of December following.


                                   ARTICLE VII

                                 CORPORATE SEAL

      The corporate seal shall have inscribed thereon the name of the Company
and the words "Corporate Seal Kansas".



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                                  ARTICLE VIII

                                   AMENDMENTS

      These Bylaws may be altered, amended or repealed and new Bylaws may be
adopted by the Board of Directors at any special or regular meeting of the Board
of Directors or by consent if all of the Directors shall have consented to any
such alterations, amendments, actions to repeal or the adoption of new or
substituted Bylaws.





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