Sec Form 4 Filing - GREENHILL CAPITAL PARTNERS, LLC @ CROWN CASTLE INTERNATIONAL CORP - 2007-10-05

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person GREENHILL CAPITAL PARTNERS, LLC 2. Issuer Name and Ticker or Trading Symbol CROWN CASTLE INTERNATIONAL CORP [ CCI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) X __ Other (specify below) Sharehldr w/ Bd Representation (Last) (First) (Middle) 300 PARK AVENUE, 23RD FLOOR, 3. Date of Earliest Transaction (MM/DD/YY) 10/05/2007 (Street) NEW YORK, NY10022 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock; par value $0.01 per share 10/05/2007 S 2,800,000 ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 ) D $ 40.3 2,498,329 ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 6 ) I ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 ) Through limited partnerships ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other GREENHILL CAPITAL PARTNERS, LLC 300 PARK AVENUE, 23RD FLOOR NEW YORK, NY10022 Sharehldr w/ Bd Representation GCP MANAGING PARTNER, L.P. 300 PARK AVENUE, 23RD FLOOR NEW YORK, NY10022 Sharehldr w/ Bd Representation GCP Managing Partner II, L.P. 300 PARK AVENUE, 23RD FLOOR NEW YORK, NY10022 Sharehldr w/ Bd Representation GCP, L.P. 300 PARK AVENUE, 23RD FLOOR NEW YORK, NY10022 Sharehldr w/ Bd Representation GCP 2000, LLC 300 PARK AVENUE, 23RD FLOOR NEW YORK, NY10022 Sharehldr w/ Bd Representation GREENHILL & CO INC 300 PARK AVENUE 23RD FLOOR NEW YORK, NY10022 Sharehldr w/ Bd Representation GREENHILL ROBERT F 300 PARK AVENUE 23RD FLOOR NEW YORK, NY10022 Sharehldr w/ Bd Representation BOK SCOTT L 300 PARK AVENUE 23RD FLOOR NEW YORK, NY10022 Sharehldr w/ Bd Representation NIEHAUS ROBERT H 300 PARK AVENUE, 23RD FLOOR NEW YORK, NY10022 Sharehldr w/ Bd Representation Signatures Greenhill Capital Partners, LLC, By: Ulrika Ekman, Secretary, /s/ Ulrika Ekman 10/09/2007 Signature of Reporting Person Date GCP Managing Partner, L.P., Greenhill Capital Partners, LLC, its general partner, By: Ulrika Ekman, Secretary, /s/ Ulrika Ekman 10/09/2007 Signature of Reporting Person Date GCP Managing Partner II, L.P., Greenhill Capital Partners, LLC, its general partner, By: Ulrika Ekman, Secretary, /s/ Ulrika Ekman 10/09/2007 Signature of Reporting Person Date GCP, L.P., By: GCP 2000, LLC, its general partner, By: Ulrika Ekman, Secretary, /s/ Ulrika Ekman 10/09/2007 Signature of Reporting Person Date GCP 2000, LLC, By: Ulrika Ekman, Secretary, /s/ Ulrika Ekman 10/09/2007 Signature of Reporting Person Date Greenhill & Co., Inc., By: Ulrika Ekman, General Counsel and Secretary, /s/ Ulrika Ekman 10/09/2007 Signature of Reporting Person Date Robert F. Greenhill, /s/ Robert F. Greenhill 10/09/2007 Signature of Reporting Person Date Scott L. Bok, /s/ Scott L. Bok 10/09/2007 Signature of Reporting Person Date Robert H. Niehaus, /s/ Robert H. Niehaus 10/09/2007 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This form is being filed by more than one reporting person. ( 2 )Greenhill Capital Partners, LLC, whose sole member is Greenhill & Co., Inc. is the general partner of GCP Managing Partner, L.P. and GCP Managing Partner II, L.P. Greenhill Capital Partners, LLC sold 16,180 shares and following the reported transaction and is now the record owner of zero shares of the Issuer. ( 3 )GCP Managing Partner, L.P. and GCP, L.P. are general partners of Greenhill Capital Partners, L.P., which sold 1,476,278 shares and is now the record owner of 1,543,381 shares of the Issuer, Greenhill Capital Partners (Cayman), L.P.,which sold 218,566 shares and is now the record owner of 228,501 shares of the Issuer, Greenhill Capital Partners (Executives), L.P., which sold 232,238 shares and is now the record owner of 242,791 shares of the Issuer and Greenhill Capital, L.P., which sold 462,622 shares and is now the record owner of 483,656 shares. ( 4 )GCP 2000, LLC is the general partner of GCP, L.P. GCP 2000, LLC is in turn controlled by its Senior Members, Scott L. Bok, Robert F. Greenhill and Robert H. Niehaus. Mr. Niehaus is also a member of the Board of Directors of the Issuer. ( 5 )GCP Managing Partner II, L.P. is the general partner of Greenhill Capital Partners II, L.P., which sold 202,843 shares of the Issuer, Greenhill Capital Partners (Cayman) II, L.P., which sold 79,498 shares, of the Issuer, Greenhill Capital Partners (Executives) II, L.P., which sold 13,990 shares of the Issuer and Greenhill Capital Partners (Employees) II, L.P., which sold 97,785 shares of the Issuer. Following the reported transaction, Greenhill Capital Partners II, L.P., Greenhill Capital Partners (Cayman) II, L.P., Greenhill Capital Partners (Executives) II, L.P. and Greenhill Capital Partners (Employees) II, L.P. is now each the record owner of zero shares of the Issuer. ( 6 )Each reporting person disclaims beneficial ownership or the reported securities except to the extent of his or its pecuniary interest therein.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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