How vital were Cold War spies?
Gordon Corera asks what difference spies made to the outcome of the Cold War.Read more on the BBC News website
Listen now 30 mins
Episode 2 of 3
BBC security correspondent Gordon Corera looks inside Britain's Secret Intelligence Service. He talks to senior intelligence officers, agents and diplomats as well as their former arch enemies about the shadowy world of espionage.
What went on behind the Iron Curtain during the Cold War? 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 page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.