Document:

<PAGE>   1
                                                                   EXHIBIT 10.17

Prepared by and after recording,
return to:

Rex A. Palmer, Esq.
Mayer, Brown & Platt
190 S. LaSalle Street
Chicago, IL 60603

                               FIRST AMENDMENT TO
                 GEORGIA LEASE SUPPLEMENT NO. ONE AND SHORT FORM

         THIS GEORGIA LEASE SUPPLEMENT NO. ONE (this "Amendment") dated as of
September __, 1998 between SUNTRUST BANKS, INC., with an address at 25 Park
Place, Atlanta, Georgia 30303, as the lessor (the "Lessor"), and CHOICEPOINT
INC., with an address of 1000 Alderman Drive, Alpharetta, Georgia 30005, a
Georgia corporation, as lessee (the "Lessee").

         WHEREAS, Lessor and Lessee entered into a Lease Supplement No. One and
Short Form (the "Original Lease Supplement"), dated as of July 31, 1997 which
was recorded on August 4, 1997 in Deed Book 22914 at Page 15 in the Fulton
County, Georgia Records and which related to the real estate described on
Exhibit A hereto;

         WHEREAS, the Lessor and Lessee wish to amend the Lease Supplement in
certain respects;

         NOW, THEREFORE, in consideration of the premises and the mutual
agreements herein contained and other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the parties hereto
agree as follows:

         1. Section 3.2 of the Lease Supplement and Article XI of the Lease are
amended by increasing the maximum principal amount of the Lessee Liabilities to
Twenty-Four Million Dollars ($24,000,000).

         2. Exhibit B to the Lease Supplement shall read as does Exhibit B to
this Amendment.

<PAGE>   2

         3. Except as specifically modified hereby, the terms and provisions of
the Lease Supplement are hereby ratified and confirmed and remain in full force
and effect. The terms of the Lease (as amended by the Lease Supplement and this
Amendment) are by this reference incorporated herein and made a part hereof.

         4. THIS LEASE SUPPLEMENT SHALL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE LAW OF THE STATE OF GEORGIA.

         5. This Amendment may be executed in any number of counterparts and by
each of the parties hereto in separate counterparts, all such counterparts
together constituting but one and the same instrument.

<PAGE>   3

         IN WITNESS WHEREOF, each of the parties hereto has caused this
Amendment to be duly executed by an officer thereunto duly authorized as of the
date and year first above written.

Signed, sealed and delivered                      SUNTRUST BANKS, INC., as the
before me this     day of                         Lessor
              , 1998.

                                                  By:
                                                     --------------------------
Unofficial Witness                                Name:
                                                       ------------------------
                                                  Title:
                                                        -----------------------

Notary Public

[NOTARIAL SEAL]

My Commission Expires:

-----------------------
<PAGE>   4

Signed, sealed and delivered                      CHOICEPOINT INC., as the
before me this __ day of                          Lessee
______________, 1998.

                                                  By:
                                                     --------------------------
Unofficial Witness                                Name:
                                                       ------------------------
                                                  Title:
                                                        -----------------------

Notary Public

[NOTARIAL SEAL]

My Commission Expires:

----------------------

<PAGE>   5

                                    EXHIBIT A

ALL THAT TRACT OF LAND lying and being in Land Lots 1046, 1047, 1108 and 1109 of
the 2nd District, 1st Section, City of Alpharetta, Fulton County, and being more
particularly described as follows:

Beginning at an iron pin set on the intersection of the northerly right-of-way
of Windward Parkway (135' R/W) and the westerly right-of-way of Alderman Drive
(R/W Varies), THENCE along said right-of-way of Windward Parkway, the following
two (2) courses and distances: South 53 degrees 55 minutes 56 seconds West for a
distance of 559.08 feet to a point, and along a curve to the right having a
radius of 3178.45 feet and an arc length of 322.12 feet, being subtended by a
chord of South 56 degrees 50 minutes 08 seconds West for a distance of 321.92
feet to a point, THENCE leaving said right-of-way and running North 33 degrees
41 minutes 39 seconds West for a distance of 101.93 feet to a point, THENCE
North 44 degrees 10 minutes 01 seconds West for a distance of 137.48 feet to a
point, THENCE North 35 degrees 53 minutes 57 seconds West for a distance of
148.57 feet to a point, THENCE North 38 degrees 42 minutes 59 seconds West for a
distance of 83.51 feet to a point, THENCE North 34 degrees 56 minutes 47 seconds
West for a distance of 463.99 feet to a point, THENCE North 26 degrees 26
minutes 34 seconds West for a distance of 218.78 feet to a point set, THENCE
North 14 degrees 29 minutes 25 seconds West for a distance of 114.90 feet to a
point, THENCE North 15 degrees 45 minutes 02 seconds West for a distance of
636.39 feet to a point, THENCE North 21 degrees 22 minutes 20 seconds West for a
distance of 246.03 feet to a point, THENCE North 86 degrees 40 minutes 35
seconds East for a distance of 691.19 feet to an iron pin found on the westerly
right-of-way of Alderman Drive, thence along Alderman Drive the following
courses and distances: Along a curve to the left having a radius of 524.50 feet
and an arc length of 438.64 feet, being subtended by a chord of South 37 degrees
16 minutes 26 seconds East for a distance of 425.97 feet to a point, THENCE
South 61 degrees 13 minutes 57 seconds East for a distance of 186.24 feet to a
point, THENCE along a curve to the right having a radius of 475.00 feet and an
arc length of 93.22 feet, being subtended by a chord of South 55 degrees 36
minutes 58 seconds East for a distance of 93.07 feet to a point, THENCE South 50
degrees 00 minutes 00 seconds East for a distance of 195.25 feet to a point,
THENCE along a curve to the right having a radius of 475.50 feet and an arc
length of 365.79 feet, being subtended by a chord of South 27 degrees 57 minutes
44 seconds East for a distance of 356.83 feet to a point, THENCE South 05
degrees 55 minutes 28 seconds East for a distance of 117.60 feet to a point,
THENCE along a curve to the left having a radius of 524.50 feet and an arc
length of 275.95 feet, being subtended by a chord of South 20 degrees 59 minutes
46 seconds East for a distance of 272.78 feet to a point, THENCE South 36
degrees 04 minutes 04 seconds East for a distance of 104.10 feet to an iron pin
set, THENCE along a curve to the right having a radius of 39.50 feet and an arc
length of 62.05 feet, being subtended by a chord of South 08 degrees 55 minutes
56 seconds West for a distance of 55.85 feet to an iron pin set and the Point of
Beginning.

Together with and subject to covenants, easements, and restrictions of record.
Said property contains 40.8247 acres more or less.

<PAGE>   6

The above-described property is shown on and described according to that certain
ALTA/ACSM Survey prepared by Bailey Engineering Associates, Inc. dated June 26,
1997, last revised July 29, 1997.

                                                                           LEASE
                                                                       AGREEMENT
<PAGE>   7

                                    EXHIBIT B

                              Permitted Exceptions

1.       State and County taxes subsequent to the year 1997 and the lien of
         additional real property taxes by reason of amended billing of taxes
         for prior years, not yet due and payable and City of Alpharetta taxes
         subsequent to the year 1996, not yet due and payable.

2.       Declaration of Covenants, Conditions and Restrictions for Windward
         Business Center Association recorded in Deed Book 8700, page 362,
         aforesaid records; with Re-Recording of Declaration of Covenants,
         Conditions and Restrictions for Windward Business Center Associates
         being recorded in Deed Book 8750, page 82, aforesaid records; as
         amended by that certain Amendment Withdrawing Certain Real Property
         From the Declaration of Covenants, Conditions and Restrictions for
         Windward Business Center Association by Windward Properties, Inc.,
         dated October 4, 1984, recorded in Deed Book 9197, page 242, aforesaid
         records; as further amended by that certain Amendment Withdrawing
         Certain Real Property From the Declaration of Covenants, Conditions and
         Restrictions for Windward Business Center Association by Windward
         Properties, Inc., dated October 4, 1984, recorded in Deed Book 9373,
         page 268, aforesaid records; as further amended by Seventh Amendment to
         the Declaration of Covenants, Conditions and Restrictions for Windward
         Business Center Association by Windward Properties, Inc., dated
         December 1, 1987, recorded in Deed Book 11219, page 319, aforesaid
         records. This instrument is listed under "References" on the plat of
         survey hereinafter identified.

3.       Reservation and Grant of Easements and Agreement by and between
         Windward Properties, Inc. and Digital Communications Associates, Inc.,
         dated October 25, 1983, recorded in Deed Book 8700, page 411, aforesaid
         records, and as shown on the plat of survey hereinafter identified.

4.       Right-of-Way Easement from Digital Communications Associates, Inc. to
         Sawnee Electric Membership Corporation, dated January 13, 1984,
         recorded in Deed Book 8827, page 125, aforesaid records. This easement
         is listed under "References" on the plat of survey hereinafter
         identified.

5.       Plat of survey prepared for Equifax, Inc., SunTrust Banks, Inc.,
         SunTrust Bank, Atlanta, as Agent, Choicepoint, Inc. and Chicago Title
         Insurance Company, and their respective successors and/or assigns,
         prepared by Seaton G. Shepherd, Georgia Registered Land Surveyor No.
         2136, Grant Shepherd & Associates Surveying Planning, dated June 27,
         1997, last revised July 29, 1997, reveals the following:

         a.       sixty-five-foot building setback lines along Windward Parkway
                  and Alderman Drive; fifteen-foot building setback lines along
                  the northern and western lines of subject property;

<PAGE>   8

         b.       twenty-foot and thirty-foot storm and sanitary sewer easements
                  traversing the western, southern and eastern portions of
                  subject property (being granted pursuant to the instrument
                  recorded in Deed Book 8700, page 441, aforesaid records);

         c.       a portion of subject property lies within the 100-year flood
                  plain limit;

         d.       creek traversing the southern portion of subject property; and

         e.       electrical, gas, telephone, water and drainage facilities
                  located on various portions of subject property and serving
                  the same.

6.       Rights of upper and lower riparian owners in and to the waters of
         creeks and branches crossing or adjoining subject property and the
         natural flow thereof, free from diminution or pollution.

7.       Rights of tenants, as tenants only, under unrecorded commercial leases.<PAGE>   1
                                                                   EXHIBIT 10.18

Prepared by and after recording, return to:

Rex A. Palmer, Esq.
Mayer, Brown & Platt
190 S. LaSalle Street
Chicago, IL 60603

-------------------------------------------------------------------------------

                              SECOND AMENDMENT TO
                GEORGIA LEASE SUPPLEMENT NO. ONE AND SHORT FORM

         THIS SECOND AMENDMENT TO GEORGIA LEASE SUPPLEMENT NO. ONE (this
"Amendment") dated as of December 30, 1999 between SUNTRUST BANKS, INC., with
an address at 303 Peachtree Street, Atlanta, Georgia 30308, as the lessor (the
"Lessor"), and CHOICEPOINT INC., with an address of 1000 Alderman Drive,
Alpharetta, Georgia 30005, a Georgia corporation, as lessee (the "Lessee").

         WHEREAS, Lessor and Lessee entered into a Lease Supplement No. One and
Short Form as heretofore amended, (the "Original Lease Supplement"), dated as
of July 31, 1997 which was recorded on August 4, 1997 in Deed Book 22914 at
Page 15 in the Fulton County, Georgia Records and which related to the real
estate described on Exhibit A hereto and which has been amended by a First
Amendment dated September 30, 1998, which was recorded on October 1, 1998 in
Deed Book 25269 at Page 279;

         WHEREAS, the Lessor and Lessee wish to amend the Lease Supplement in
certain respects;

         NOW, THEREFORE, in consideration of the premises and the mutual
agreements herein contained and other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the parties hereto
agree as follows:

         1. Section 3.2 of the Lease Supplement and Article XI of the Lease are
amended by increasing the maximum principal amount of the Lessee Liabilities to
Twenty-Six Million Seven Hundred Thousand and No/100 Dollars ($26,700,000.00).

<PAGE>   2

         2. Exhibit A to the Lease Supplement is amended to add the property
described on Exhibit B to this Amendment (the "1999 Land").

         3. The 1999 Land shall be included within the meaning of the term
"Subject Property" as such term is used in the Original Lease Supplement and in
the other Operative Documents (defined for purposes hereof as in the Original
Lease Supplement). The 1999 Land shall be a Leased Property under the Lease and
the other Operative Documents (defined for purposes hereof as in the Original
Lease Supplement). Notwithstanding the provisions of Section 14.1 and 14.6 of
the Lease that any exercise by the Lessee of the Purchase Option or the
Remarketing Option thereunder must be made with respect to all of the Leased
Properties, the Lessee may exercise the Purchase Option or the Remarketing
Option with respect to the 1999 Land in accordance with the provisions of the
Lease separately from its exercise of either such option with respect to the
other Leased Property or Leased Properties under the Lease and the Lessee may
exercise a different option with respect to the 1999 Land than it exercises
with respect to the other Leased Property or Leased Properties.

         4. Except as specifically modified hereby, the terms and provisions of
the Lease and the Lease Supplement are hereby ratified and confirmed and remain
in full force and effect. The terms of the Lease (as amended by the Lease
Supplement and this Amendment) are by this reference incorporated herein and
made a part hereof.

         5. THIS AMENDMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE
WITH THE LAW OF THE STATE OF GEORGIA.

         6. This Amendment may be executed in any number of counterparts and by
each of the parties hereto in separate counterparts, all such counterparts
together constituting but one and the same instrument.

<PAGE>   3

         IN WITNESS WHEREOF, each of the parties hereto has caused this
Amendment to be duly executed by an officer thereunto duly authorized as of the
date and year first above written.

Signed, sealed and delivered                       SUNTRUST BANKS, INC., as the
before me this ______ day of                       Lessor
_________________ , 1999.

                                                   By:
Unofficial Witness                                 Name:
                                                   Title:

Notary Public

[NOTARIAL SEAL]

My Commission Expires:

<PAGE>   4

Signed, sealed and delivered                           CHOICEPOINT INC., as the
before me this ______ day of                           Lessee
_________________ , 1999.

                                                       By:
                                                       Name:
Unofficial Witness                                     Title:

Notary Public

[NOTARIAL SEAL]

My Commission Expires:

---------------------------------------

<PAGE>   5

                                   EXHIBIT A

ALL THAT TRACT OF LAND lying and being in Land Lots 1046, 1047, 1108 and 1109
of the 2nd District, 1st Section, City of Alpharetta, Fulton County, and being
more particularly described as follows:

Beginning at an iron pin set on the intersection of the northerly right-of-way
of Windward Parkway (135' R/W) and the westerly right-of-way of Alderman Drive
(R/W Varies), THENCE along said right-of-way of Windward Parkway, the following
two (2) courses and distances: South 53 degrees 55 minutes 56 seconds West for
a distance of 559.08 feet to a point, and along a curve to the right having a
radius of 3178.45 feet and an arc length of 322.12 feet, being subtended by a
chord of South 56 degrees 50 minutes 08 seconds West for a distance of 321.92
feet to a point, THENCE leaving said right-of-way and running North 33 degrees
41 minutes 39 seconds West for a distance of 101.93 feet to a point, THENCE
North 44 degrees 10 minutes 01 seconds West for a distance of 137.48 feet to a
point, THENCE North 35 degrees 53 minutes 57 seconds West for a distance of
148.57 feet to a point, THENCE North 38 degrees 42 minutes 59 seconds West for
a distance of 83.51 feet to a point, THENCE North 34 degrees 56 minutes 47
seconds West for a distance of 463.99 feet to a point, THENCE North 26 degrees
26 minutes 34 seconds West for a distance of 218.78 feet to a point set, THENCE
North 14 degrees 29 minutes 25 seconds West for a distance of 114.90 feet to a
point, THENCE North 15 degrees 45 minutes 02 seconds West for a distance of
636.39 feet to a point, THENCE North 21 degrees 22 minutes 20 seconds West for
a distance of 246.03 feet to a point, THENCE North 86 degrees 40 minutes 35
seconds East for a distance of 691.19 feet to an iron pin found on the westerly
right-of-way of Alderman Drive, thence along Alderman Drive the following
courses and distances: Along a curve to the left having a radius of 524.50 feet
and an arc length of 438.64 feet, being subtended by a chord of South 37
degrees 16 minutes 26 seconds East for a distance of 425.97 feet to a point,
THENCE South 61 degrees 13 minutes 57 seconds East for a distance of 186.24
feet to a point, THENCE along a curve to the right having a radius of 475.00
feet and an arc length of 93.22 feet, being subtended by a chord of South 55
degrees 36 minutes 58 seconds East for a distance of 93.07 feet to a point,
THENCE South 50 degrees 00 minutes 00 seconds East for a distance of 195.25
feet to a point, THENCE along a curve to the right having a radius of 475.50
feet and an arc length of 365.79 feet, being subtended by a chord of South 27
degrees 57 minutes 44 seconds East for a distance of 356.83 feet to a point,
THENCE South 05 degrees 55 minutes 28 seconds East for a distance of 117.60
feet to a point, THENCE along a curve to the left having a radius of 524.50
feet and an arc length of 275.95 feet, being subtended by a chord of South 20
degrees 59 minutes 46 seconds East for a distance of 272.78 feet to a point,
THENCE South 36 degrees 04 minutes 04 seconds East for a distance of 104.10
feet to an iron pin set, THENCE along a curve to the right having a radius of
39.50 feet and an arc length of 62.05 feet, being subtended by a chord of South
08 degrees 55 minutes 56 seconds West for a distance of 55.85 feet to an iron
pin set and the Point of Beginning.

Together with and subject to covenants, easements, and restrictions of record.
Said property contains 40.8247 acres more or less.

<PAGE>   6

The above-described property is shown on and described according to that
certain ALTA/ACSM Survey prepared by Bailey Engineering Associates, Inc. dated
June 26, 1997, last revised July 29, 1997.

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