-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000950131-01-001096.txt : 20010223
<SEC-HEADER>0000950131-01-001096.hdr.sgml : 20010223
ACCESSION NUMBER:		0000950131-01-001096
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20010214

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CACI INTERNATIONAL INC /DE/
		CENTRAL INDEX KEY:			0000016058
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
		IRS NUMBER:				541345888
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		
		SEC FILE NUMBER:	005-32900
		FILM NUMBER:		1542477

	BUSINESS ADDRESS:	
		STREET 1:		1100 N GLEBE ST
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22201
		BUSINESS PHONE:		7038417800

	MAIL ADDRESS:	
		STREET 1:		1100 NORTH GLEBE ROAD
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CACI INC /DE/
		DATE OF NAME CHANGE:	19870119

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CONSOLIDATED ANALYSIS CENTERS INC
		DATE OF NAME CHANGE:	19730102

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CALIFORNIA ANALYSIS CENTER INC
		DATE OF NAME CHANGE:	19680603

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WANGER ASSET MANAGEMENT LP
		CENTRAL INDEX KEY:			0000908733
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				363820584
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		227 W MONROE STREET
		STREET 2:		SUITE 3000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		3126349230

	MAIL ADDRESS:	
		STREET 1:		227 W MONROE ST
		STREET 2:		STE 3000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WANGER ASSET MANAGEMENT  LP
		DATE OF NAME CHANGE:	19960619
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>0001.txt
<DESCRIPTION>AMENDMENT NO. 1
<TEXT>

<PAGE>

                                 UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549


                                 SCHEDULE 13G


                   Under the Securities Exchange Act of 1934

                              (Amendment No. 1)*


                            CACI INTERNATIONAL INC.
- --------------------------------------------------------------------------------
                               (Name of Issuer)

                                 Common Stock
- --------------------------------------------------------------------------------
                        (Title of Class of Securities)


                                   127190304
                 ---------------------------------------------
                                (CUSIP Number)



                               December 31, 2000
             -----------------------------------------------------
            (Date of Event Which Requires Filing of this Statement)


       Check the appropriate box to designate the rule pursuant to which
                            this Schedule is filed:

                               [X] Rule 13d-1(b)
                               [_] Rule 13d-1(c)
                               [_] Rule 13d-1(d)



*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).

                               Page 1 of 8 pages
<PAGE>

- -------------------------------                         ----------------------
  CUSIP No.  127190304                       13G           Page 2 of 8 Pages
- -------------------------------                         ----------------------


- ------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1.   S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


      Liberty Wanger Asset Management, L.P. 36-3820584
- ------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 2.                                                             (a) [_]
                                                                (b) [_]
      Not Applicable
- ------------------------------------------------------------------------------
      SEC USE ONLY
 3.


- ------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 4.

      Delaware
- ------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     5.
     NUMBER OF
                          None
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      6.

     OWNED BY             330,600
                   -----------------------------------------------------------
       EACH               SOLE DISPOSITIVE POWER
                     7.
    REPORTING
                          None
      PERSON       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
       WITH          8.
                          330,600
- ------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9.
      330,600
- ------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10.
                                                                    [_]
      Not Applicable
- ------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
11.

      2.9%
- ------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON*
12.
      IA
- ------------------------------------------------------------------------------
                     *SEE INSTRUCTION BEFORE FILLING OUT!

<PAGE>

- -------------------------------                         ----------------------
  CUSIP No.  127190304                       13G           Page 3 of 8 Pages
- -------------------------------                         ----------------------


- ------------------------------------------------------------------------------
      NAME OF REPORTING PERSON
 1.   S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


      WAM Acquisition GP, Inc.
- ------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 2.                                                             (a) [_]
                                                                (b) [_]
      Not Applicable
- ------------------------------------------------------------------------------
      SEC USE ONLY
 3.


- ------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 4.

      Delaware
- ------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     5.
     NUMBER OF
                          None
      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      6.

     OWNED BY             330,600
                   -----------------------------------------------------------
       EACH               SOLE DISPOSITIVE POWER
                     7.
    REPORTING
                          None
      PERSON       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
       WITH          8.
                          330,600
- ------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9.
      330,600
- ------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
10.
                                                                    [_]
      Not Applicable
- ------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
11.

      2.9%
- ------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON*
12.
      CO
- ------------------------------------------------------------------------------
                     *SEE INSTRUCTION BEFORE FILLING OUT!

<PAGE>

Item 1(a)       Name of Issuer:

                    Caci International Inc.


Item 1(b)       Address of Issuer's Principal Executive Offices:

                    1100 North Glebe Road
                    Arlington, VA 22201

Item 2(a)       Name of Person Filing:

                    Liberty Wanger Asset Management, L.P. ("WAM")
                    WAM Acquisition GP, Inc., the general partner of WAM
                    ("WAM GP")

Item 2(b)       Address of Principal Business Office:

                    WAM and WAM GP are located at:

                    227 West Monroe Street, Suite 3000
                    Chicago, Illinois  60606


Item 2(c)       Citizenship:

                    WAM is a Delaware limited partnership; WAM GP is a Delaware
                    corporation.

Item 2(d)       Title of Class of Securities:

                    Common Stock

Item 2(e)       CUSIP Number:

                    127190304

Item 3          Type of Person:

                    (e)    WAM is an Investment Adviser registered under section
                           203 of the Investment Advisers Act of 1940; WAM GP is
                           the General Partner of the Investment Adviser.

Item 4          Ownership (at December 31, 2000):

                    (a)    Amount owned "beneficially" within the meaning of
                           rule 13d-3:

                           330,600

                    (b)    Percent of class:

                           2.9% (based on 11,253,998 shares outstanding as of
                           September 30, 2000)

                               Page 4 of 8 pages
<PAGE>

                     (c)   Number of shares as to which such person has:

                              (i)   sole power to vote or to direct the vote:
                                    none

                             (ii)   shared power to vote or to direct the vote:
                                    330,600

                            (iii)   sole power to dispose or to direct the
                                    disposition of: none

                             (iv)   shared power to dispose or to direct
                                    disposition of: 330,600


Item 5          Ownership of Five Percent or Less of a Class:

                     If this statement is being filed to report the fact that as
                     of the date hereof the reporting person has ceased to be
                     the beneficial owner of more than five percent of the class
                     of securities, check the following: [X]

Item 6          Ownership of More than Five Percent on Behalf of Another Person:

                     Not Applicable

Item 7          Identification and Classification of the Subsidiary Which
                Acquired the Security Being Reported on by the Parent Holding
                Company:

                     Not Applicable

Item 8          Identification and Classification of Members of the Group:

                     Not Applicable

Item 9          Notice of Dissolution of Group:

                     Not Applicable

Item 10         Certification:

                     By signing below I certify that, to the best of my
                     knowledge and belief, the securities referred to above were
                     acquired and are held in the ordinary course of business
                     and were not acquired and are not held for the purpose of
                     or with the effect of changing or influencing the control
                     of the issuer of the securities and were not acquired and
                     are not held in connection with or as a participant in any
                     transaction having that purpose or effect.

                               Page 5 of 8 Pages
<PAGE>

                                   Signature
                                   ---------

     After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


Date:  February 14, 2001


                      The undersigned corporation, on the date above
                      written, agrees and consents to the joint filing on
                      its behalf of this Schedule 13G in connection with
                      its beneficial ownership of the security reported
                      herein.

                                 WAM Acquisition GP, Inc.
                                  for itself and as general partner of
                                  LIBERTY WANGER ASSET MANAGEMENT, L.P.



                                 By: /s/ Bruce H. Lauer
                                     ------------------------------------
                                         Bruce H. Lauer
                                         Senior Vice President and Secretary

                               Page 6 of 8 Pages
<PAGE>

                                 Exhibit Index
                                 -------------

Exhibit 1       Joint Filing Agreement dated as of  February 14,  2001 by
                and among  Liberty Wanger Asset Management, L.P. and WAM
                Acquisition GP, Inc.

                               Page 7 of 8 Pages
<PAGE>

                                                                       EXHIBIT 1


                            JOINT FILING AGREEMENT

     The undersigned hereby agree to the joint filing of the Schedule 13G to
which this Agreement is attached.

                           Dated:  February 14, 2001


                                 WAM Acquisition GP, Inc.
                                  for itself and as general partner of
                                  LIBERTY WANGER ASSET MANAGEMENT, L.P.



                                 By:  /s/ Bruce H. Lauer
                                      ------------------------------------------
                                          Bruce H. Lauer
                                          Senior Vice President and Secretary

                               Page 8 of 8 pages
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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