Last updated: 16 october, 2009 - 14:22 GMT

Crime and Punishment

MI6 - A Century in the Shadows

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The BBC takes an unprecedented look inside Britain's Secret Intelligence Service, which marks its centenary in 2009.

BBC security correspondent Gordon Corera talks to senior intelligence officers, agents and diplomats as well as their former arch enemies about the shadowy world of espionage.

Part Two - Heroes & Villains

The second part in this series describes what went on behind the Iron Curtain during the Cold War.

Former MI6 Chief John Scarlett describes his clandestine meeting with an agent and the Russian defector Oleg Gordievsky talks about his reasons for coming over to the other side.

This is an updated version of the episode which was first broadcast on the BBC World Service on 19 October 2009.

Originally broadcast on BBC Radio 4.

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  • More from this series

    • Exploring the early years of MI6

    • Getting behind the Iron Curtain during the Cold War

    • MI6’s role in the run-up to the war in Iraq

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