The original handwritten notes (in Russian) and their English translations are stored at the Churchill Archives Centre.
: It exposed the identities of numerous "illegal" Soviet agents living in the West [2].
In the West, the archive was hailed as an intelligence goldmine. The FBI described it as "the most complete and extensive intelligence ever received from any source". Vasili Mitrokhin and his family were given asylum in the UK, and he began a collaboration with Professor Christopher Andrew, the official historian of MI5. This collaboration produced two monumental works: mitrokhin archive pdf 2021
The physical papers of Vasili Mitrokhin are housed at Churchill College, Cambridge. The has systematically opened these files to the public. Researchers can access digitized finding aids and document summaries through their official portal. The Wilson Center Digital Archive
The Mitrokhin Archive, a extensive collection of clandestine notes by KGB archivist Vasili Mitrokhin detailing Soviet foreign intelligence operations, was highlighted in a 2021 Intelligence and Security Committee (ISC) report. The archive reveals widespread "active measures" and influence campaigns in Europe, the West, and India, with physical records housed at the Churchill Archives Centre. Access the ISC report via independent.gov.uk The Mitrokhin Inquiry Report The original handwritten notes (in Russian) and their
Following the dissolution of the Soviet Union in 1992, Mitrokhin traveled to Latvia with copies of material from the archive and first approached the American embassy in Riga. When the United States initially rebuffed him, he turned to the British embassy, where a junior diplomat famously asked: "Would you like a cup of tea?" That sentence changed his life. The British Secret Intelligence Service (MI6) swiftly exfiltrated Mitrokhin, his family, and the entire archive to the United Kingdom.
He secretly copied thousands of classified documents. He hid them in milk crates underneath his dacha floorboards. In 1992, Mitrokhin defected to the United Kingdom, bringing the extensive notes with him. The FBI described it as "the most complete
The archive outlines "Operation INFEKTION," a massive Soviet campaign to spread the lie that HIV/AIDS was created by the U.S. government as a biological weapon. This historical context is eerily relevant today as the world battles modern disinformation.
The archive details how the KGB funded and manipulated Western peace movements during the Cold War, particularly targeting NATO nuclear deployments in Europe. It also exposes the extent of funding for Western communist parties and trade unions.
In 2014, the Churchill Archives Centre at Cambridge University released Mitrokhin’s original edited notes to the public. This release sparked a renewed wave of digitization, leading to increased online searches for downloadable PDFs of the files.