Was it possible to avoid KGB surveillance in Moscow as a CIA agent at the height of the Cold War? What motivates someone to spy on their country for an opposing power? And how did Adolf Tolkachev manage to smuggle out the top secret documents the CIA needed to defeat the USSR?

Adolf Tolkachev has been recruited by the CIA as a mole inside a highly sensitive government department in Moscow. His job: to sneak top secret documents out to offer the US a glimpse of Russia's defence capabilities. Despite his initial success, Tolkachev knew the risks if he was caught by the KGB. But, could he justify those risks? Find out as Gordon and David share the latest instalment of the story of Adolf Tolkachev.

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Pre-order a signed edition of David's latest book, The Seventh Floor, via this link.

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Email: [email protected]

Twitter: @triclassified

Assistant Producer: Becki Hills

Producer: Callum Hill

Senior Producer: Dom Johnson

Exec Producer: Tony Pastor

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