Vladimir Mitrokhin’s amazing story is the subject of a new book, ‘The Spy in the Archive: How One Man Tried to Kill the KGB.’ ...

After a stalled career in espionage, a Soviet spy was assigned to an archive. What he learned made him decide to smuggle its ...

Thirty-six years after he was arrested and convicted, the most successful double-agent to ever work inside the Central ...

An American, not a Russian, proved to be the Cold War’s deadliest mole. He was a CIA officer named Aldrich Ames and a KGB spy ...

At the G7 summit in Cologne earlier this month, Russian President Boris Yeltsin slipped Bill Clinton a gift: eight newly declassified KGB documents about Lee Harvey Oswald's ties to the Soviet Union, ...

Vladimir Vetrov, a disillusioned KGB officer, leaked thousands of Soviet documents to the French, exposing a vast espionage operation targeting Western technology. His betrayal crippled Soviet ...

The USSR reportedly recruited Donald Trump as a KGB agent in 1987, a former Soviet Intelligence officer has claimed. This officer, Alnur Mussayev, was the head of the Kazakhstan's National Security ...

The KGB used to listen in on guests on the 23rd floor, which has been turned in to a museum. It’s among the top five places ...