Washington, D.C., September 3, 2025 - Covert CIA surveillance of a Soviet agent under diplomatic cover in Mexico City in 1968 led to the acquisition of intelligence on the “entire clandestine leadership” of the Colombian Communist Party and the nascent FARC insurgent group, according to declassified records from the John F. Kennedy assassination papers released earlier this year.
Washington, D.C., June 30, 2025 – For over 20 years, the U.S. Intelligence Community (IC) has viewed climate change as a serious national security threat that will create “new and compounded stresses on people and societies around the world,” according to one of the records featured in a repository of U.S. intelligence reports published online today by the National Security Archive.
Washington, D.C., April 7, 2025 - Just six months before the 1964 military coup that overthrew the government of João Goulart in Brazil, Deputy Director of Central Intelligence for Plans Richard Helms briefed the President’s Foreign Intelligence Advisory Board (PFIAB) on CIA clandestine operations in South America’s largest country.
Washington, D.C., March 28, 2025 - Both John F. Kennedy and his brother, Attorney General Robert F. Kennedy, were briefed by CIA officials on an Agency counterintelligence operation to break into the French Embassy in Washington for the “removal of documents,” according to formerly Top Secret FBI reports declassified in full for the first time as part of the release of the Kennedy assassination papers and published today by the National Security Archive.
Washington D.C., March 19, 2025 - On the day of President John F. Kennedy’s inauguration in January 1961, “47 percent of the political officers serving in United States embassies were CAS”—intelligence agents working under diplomatic cover known as Controlled American Sources, White House aide, Arthur Schlesinger Jr. reported in a Top Secret memorandum on “CIA Reorganization.” In the U.S. Embassy in Paris, 123 “diplomats” were actually CIA undercover agents; in Chile, 11 of the 13 Embassy “political officers” were CIA undercover operatives.
Washington, D.C., February 28, 2025 - For 17 years, the U.S. Intelligence Community has refused to declassify one of its first investigations into climate change as a national security threat.
Washington, D.C., December 23, 2024 – Today, the National Security Archive and ProQuest (part of Clarivate) celebrate the publication of a new scholarly document collection many years in the making on the shocking secret history of the CIA’s mind control research programs. The new collection, CIA and the Behavioral Sciences: Mind Control, Drug Experiments and MKULTRA, brings together more than 1,200 essential records on one of the most infamous and abusive programs in CIA history.
Washington, D.C., November 20, 2024 – The failure of the U.S. intelligence community to adequately warn policymakers about the poor Soviet grain harvest of 1972—resulting in higher food prices in the U.S.
Washington, D.C., June 21, 2024 – On Wednesday, a Colombian court condemned former Colombian Army Gen. Iván Ramírez Quintero to 31 years in prison for the death of Irma Franco, a member of the M-19 militant group who was tortured and killed by a Colombian Army intelligence unit under his command in the aftermath of the November 1985 Palace of Justice assault.
Washington, D.C., March 13, 2023 – The 65-year U.S. effort to detect and track objects in space, from the days before Sputnik 1 to today’s much more crowded orbital environment, is the subject of a fascinating new article and briefing book posted today by the National Security Archive.