Central Intelligence Agency, Statement by Director of Central Intelligence William E. Colby, September 29, 1975.
National Security Archive
Colby’s September 29, 1975 statement frames the CIA’s refusal to hand over Tet Offensive intel as a historic duty to protect national secrets, marking the first major post‑Watergate clash over intelligence oversight.
Source: Central Intelligence Agency, Statement by Director of Central Intelligence William E. Colby, September 29, 1975. Date: Sep 29, 1975 Archive: Gerald R. Ford Presidential Library, Ron Nessen Papers, Subject File Accretion, Box 299, Folder, "Intelligence (2)." Collection: The White House, the CIA and the Pike Committee, 1975 Jun 2, 2017
Editorial Analysis
Original analysis by the DriftSeas editorial desk. The complete primary-source document, transcribed from the National Security Archive scan, appears in full below.
A Director’s Standstill in the Wake of the Pike Hearings
On September 29, 1975 William E. Colby, then Director of Central Intelligence, issued a public statement that reads like a diplomatic missive rather than a routine press release. It was drafted in direct response to the House Select Committee on Intelligence’s (the “Pike Committee”) subpoena for classified Vietnam‑war intelligence, especially the documents surrounding the 1968 Tet Offensive. The timing is crucial: the subpoena arrived on September 12, 1975, just weeks after the Senate’s Church Committee had aired damning testimony on CIA covert actions, and while President Gerald Ford, newly sworn in after Nixon’s resignation, was attempting to re‑assert executive control over the intelligence community.
The statement is anchored in two intertwined crises. First, the Pike Committee, chaired by Representative Otis G. Pike, was pushing for unprecedented access to raw intelligence, arguing that the American public deserved to know how the CIA assessed the war that had just ended two years earlier. Second, the Ford administration, wary of exposing sources and methods, issued a blanket directive on September 12 ordering all executive agencies to refuse the Committee’s request until a mutually acceptable procedure could be negotiated. Colby’s release therefore serves both as a defense of the CIA’s legal obligations under the National Security Act and as a public justification for the administration’s refusal to comply outright.
The document reveals the delicate balancing act Colby was forced to perform. He repeatedly stresses “reasonable men of good will” in both branches of government, a phrase that signals a desire for a negotiated settlement rather than a confrontational standoff. Yet he also invokes the historic duty of protecting “essential secrets of intelligence… since President Washington,” positioning the CIA’s resistance within a long‑standing constitutional tradition. This rhetorical move was intended to make any congressional overreach appear as a betrayal of national security rather than a legitimate oversight function.
A second, more technical part of the record—signed by Mitchell Rogovin, the CIA’s special counsel—provides a granular accounting of the documents in question. Of 711 pages requested, 686 were declassified and turned over; 25 pages concerning the “Intelligence Warning of the Tet Offensive, 11 April 1968” remained classified. The specificity of this tally is telling: it shows the agency’s willingness to cooperate while drawing a hard line around the most sensitive material, likely because those pages still contained sources, methods, or analytic judgments that could jeopardize ongoing operations or expose diplomatic embarrassments.
Why does this matter beyond the 1970s? The Colby statement is a snapshot of the first major clash between a modern congressional intelligence committee and the CIA after the Watergate era’s erosion of executive secrecy. The Pike hearings would later produce a report that, despite being largely suppressed, contributed to the creation of permanent oversight structures: the Senate Select Committee on Intelligence (1976) and the House Permanent Select Committee on Intelligence (1977). Moreover, the episode cemented the principle that the executive branch could invoke “national security” to limit congressional subpoenas—a tension that resurfaces in every post‑9/11 debate over surveillance and whistleblowing.
Colby’s language also foreshadows his own downfall. Less than a year later, he resigned under pressure from the Ford administration after refusing to provide the Committee with further documents on the CIA’s involvement in the 1973 Chilean coup. The September 29 statement, therefore, is not just a defensive press release; it is a prelude to the broader institutional struggle that would reshape U.S. intelligence oversight for decades.
In contemporary terms, the record reminds policymakers that the balance between transparency and secrecy is not a static equation but a negotiated process, repeatedly tested whenever Congress seeks a deeper look into covert operations. The Colby statement, with its blend of legal argument, historical appeal, and painstaking detail on document handling, remains a primary source for understanding how that negotiation was first formally articulated in the post‑Vietnam, post‑Watergate era.
CENTRAL INTELLIGENCE AGENCY WASHINGTON, D.C. 20505
OFFICE OF THE DIRECTOR
Office of the Assistant to the Director (703) 351-7676 (703) 687-6931 (night)
29 September 1975
FOR IMMEDIATE RELEASE
Statement by William E. Colby
The action of the House Select Committee on Intelligence to recommend that the House of Representatives adopt the proposed resolution is indeed, in the words of the resolution, "a grave matter". It goes to the heart of the question of whether the United States can conduct intelligence operations essential to the safety and welfare of our country.
On many occasions I have stated that an investigation into our intelligence activities should benefit both the nation and the intelligence agencies by clarifying the nature of modern intelligence as against its old images. This must be done in a fashion, however, which protects the essential secrets of intelligence which have been recognized throughout the history of the Republic since President Washington. Its judgments must also be reached in a serious and sober fashion reflecting the gravity of the nation's needs for intelligence.
As indicated in the attached letter with respect to this particular subpoena, and as reflected in the large volume of other material already provided to the Senate Select Committee to Study Governmental Operations with Respect to Intelligence Activities, as well as the House Select Committee on Intelligence I believe the Intelligence Community has been forthcoming in responding to the legitimate needs of the Congressional committees investigating this subject. I have frequently reiterated my belief that reasonable men of good will in the Congress and in the Executive can agree on those matters which need protection and those matters which need exposure. As a professional intelligence officer, and as charged directly by law with the protection of intelligence sources and methods against unauthorized disclosure, I cannot agree to the transfer of sensitive material in response to this subpoena in the absence of some agreed procedure as to its possible disclosure, which I am still hopeful we can achieve.
[Photocopy from Gerald R. Ford Library] [Ron Nessen Papers: Subject File, Acacia, b. 299, f: "Intel (2)."] [GERALD R. FOR]
CENTRAL INTELLIGENCE AGENCY WASHINGTON, D.C. 20505
29 September 1975
The Honorable Otis G. Pike, Chairman Select Committee on Intelligence House of Representatives Washington, D. C. 20515
Dear Chairman Pike:
I understand that the House Select Committee has concluded that the Director of Central Intelligence is in "defiance" of the subpoena issued by you on September 12, 1975 It may be helpful, if I reviewed with you the circumstances surrounding the response to the subpoena in question, since I believe he is in substantial compliance with the Committee's demands.
As you will recall, on September 12th, prior to the receipt of your subpoena, the President directed "all departments and agencies of the Executive Branch respectfully to decline to provide the Select Committee with classified material, including testimony and interviews which would disclose such materials, until the Committee satisfactorily alters its position." In an effort to supply your Committee with the sought after materials, we proffered on September 17, the due date of the subpoena, the materials dealing with the 1968 Tet Offensive. As you will recall, the delivery of these materials was conditioned on them not being made public until the underlying problem was mutually resolved. This proffer of the sought after materials was rejected by you.
Since then, the materials in question have been carefully examined to determine whether they could be declassified. On the basis of this examination of 711 pages, 686 pages have been declassified and delivered to the staff of your Committee. The additional 25 pages relating to the first item in the subpoena, "Intelligence Warning of the Tet Offensive in South Vietnam, 11 April 1968," remain classified. As the Director indicated in his covering letter transmitting these materials, he is
Photocopy from Gerald R. Ford Library
[GERALD R. FORD LIBRARY] [AMERICAN REVOLUTION BICENTENNIAL 1776-1976]
willing to further discuss the classification of the 25 pages. Finally, these materials will be made available to your staff as soon as we are advised that the Committee has concurred in the proposal you and President Ford dis- cussed last week.
For your information, an analysis of the materials turned over to your staff is enclosed. In light of the above, I believe the Director of Central Intelligence is in substantial compliance with the materials sought by your Committee.
Sincerely,
Mitchell Rogovin Special Counsel to the Director
Enclosure
[Photocopy from Gerald R. Ford Library]
[GERALD R. FORD LIBRARY]
Subpoena Item Pages
- a. Intelligence Warning of the Tet Offensive in South Vietnam, 11 April 1968 249 * b. Warning of the Tet Offensive (a briefing text) 15 c. President's Daily Brief Items on Southeast Asia, 15-30 January 1968 4
- a. CIA, DDI Memorandum, The Situation in Vietnam; Daily Report--23 January 1968 through 31 January 1968 120 b. CIA, DDI, Intelligence Report, The Situation in South Vietnam (Weekly), 22 and 29 January 1968 52 c. CIA Weekly Review, 19 and 26 January 1968 9 d. Central Intelligence Bulletin, 2 January 1968 - 8 February 1968 99 e. Watch Reports (Vietnam portions), 4-25 January 1968 9
- a. Comments on Saigon 4956, 2 December 1967 6 b. Cable from Saigon (4955), 24 November 1967 14
- Memorandum for Walt W. Rostow, 15 December 1967 26
- Cable from General Abrams, relayed to Director Helms, 20 August 1967 3
No such document could be located in CIA files
- Intelligence Memorandum: A Review of the Situation in Vietnam, 8 December 1967 80 Total 686 *An additional 25 pages of NSA material were withheld Photocopy from Gerald R. Ford Library [Stamp: GERALD R. FORD LIBRARY]
CIA: Office of Public Affairs: DCI Wm. E. Colby Statement for immediate release Sept. 29, 1975 attachment: Ltr, CIA Counsel Mitchell Rogovin - Rep Ohs Put in response to HSC subpoena
- attachment: list of HSC subpoena items Source: Print
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