Washington, D.C., February 24, 2026 - After a decade-long investigation and a trial lasting more than five weeks, a federal court in Ottawa has ruled to revoke the Canadian citizenship of a Guatemalan military officer who participated in a horrific and notorious massacre of hundreds of innocent civilians in 1982.
Washington, D.C., November 26, 2025 - On General Augusto Pinochet’s 60th birthday, November 25, 1975, four delegations of Southern Cone secret police chieftains gathered in Santiago, Chile, at the invitation of the Chilean intelligence service, DINA.
Washington, D.C., October 30, 2025 – The CIA experienced “as many failures as successes” in exploring the intelligence applications of LSD and other drugs, according to the October 1975 U.S. Senate testimony of the Agency’s former top chemist, Sidney Gottlieb, the man most closely associated with the notorious MKULTRA behavior control research projects. “[T]he results of everything told us that the money expended, the effort expended, the security risk involved, when you add everything up … it was probably not a high pay-off program.”
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., August 28, 2023 – On the 20th anniversary of the Peruvian truth commission’s final report, the National Security Archive posts a core collection of declassified U.S. documents chronicling 20 years of conflict across three presidential administrations along with records relating to the 2001 decision to establish a commission to investigate the violence.
Washington, D.C., June 23, 2022 – Gina Haspel, 15 years before President Trump nominated her and the US Senate confirmed her as CIA director, personally oversaw the waterboarding of alleged USS Cole bomber Abd al-Rahim al-Nashiri at a black site prison in Thailand in 2002, according to recent testimony at a military tribunal at Guantanamo Bay, Cuba. Waterboarding has been recognized as a war crime since World War II, when the US prosecuted Japanese soldiers for, among other charges, torturing American POWs with waterboarding.
Washington D.C., September 22, 2021 - In an effort to advance a novel foreign policy tool known as “Declassification Diplomacy,” the National Security Archive today posted key administrative papers on the Argentina Declassification Project (ADP), begun by President Barack Obama and completed during the Trump administration.
Washington, D.C., June 4, 2021—Twenty-two years after the National Security Archive published the notorious “Death Squad Dossier” of Guatemala – which chronicled the kidnapping and disappearance of 183 people by government agents over a period from 1983-85 – police arrested 11 former military and security force officials on varying charges of forced disappearance, torture, rape, and assassination connected to the document.
Washington D.C., March 31, 2021 – The Chilean ambassador to Brazil, Raúl Rettig, sent an alarming cable in March 1971 to his foreign ministry titled “Brazilian Army possibly conducting studies on guerrillas being introduced into Chile.” Multiple sources had informed the Embassy that the Brazilian military regime was evaluating how to instigate an insurrection to overthrow the Allende government.
Washington, D.C., March 23, 2021 - On the eve of the 45th anniversary of the military coup in Argentina, the National Security Archive is today posting declassified documents revealing what the U.S. government knew, and when it knew it, in the weeks preceding the March 24, 1976, overthrow of Isabel Peron’s government. The documents provide evidence of multiple contacts between the coup plotters and U.S. officials. “[Admiral] Massera sought opportunity to speak privately with me,” U.S.