The Philby Tape - a podcast by BBC Radio 4

How did notorious traitor Kim Philby manage to infiltrate MI6 and send its most sensitive secrets to the Soviets? Now, for the first time, we can hear his account in a once secret tape the BBC has unearthed. It is a story of documents smuggled, Cold War operations betrayed, and Philby’s ability to evade detection by simply denying everything. BBC Security Correspondent Gordon Corera reveals the full story.

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