Why was Carlin considered Thatcher's favourite spy? What difference did he really make? And how did he cope when he became an exile?

To find out more about Carlin's life and significance, Charlie Higson is joined by Aaron Edwards, the author of 'Agents of Influence: Britain’s Secret Intelligence War Against the IRA'.

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With IRA hardliners losing ground and Sinn Féin on the up, Willie Carlin’s feeling confident about his spying. But loose talk is about to put him on a kill list.

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When Willie Carlin makes an alarming discovery in an IRA safe house, he must choose between preserving his cover or conscience.

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Stuck with a wayward handler, MI5 agent Willie Carlin hunts for a way out, only to get sucked deeper into the Irish republican movement.

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When Willie Carlin quits the British Army to return to Northern Ireland during The Troubles, he gets an unusual job offer: to spy on his own catholic community.

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Few spies have motives as hard to decipher as those of Oleg Penkovsky. Was he a hero, an egotist or a madman? The Spy Who's Tristan Donovan sits down with Jack Basu-Mellish, host of the LSE Cold War Podcast, to discuss Penkovsky’s actions, plus the lessons to learn from the events of the Cold War. Can the history books really be trusted?

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It’s 1962 and Oleg Penkovsky has gone to ground after spotting a KGB surveillance team tracking his MI6 contact Janet Chisholm. But when the British Embassy in Moscow invites him to a cocktail party, he sees a chance to reconnect with Western intelligence.

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Oleg Penkovsky is back in the USSR, ready to feed Soviet secrets to his new MI6 contact: a pram-pushing mother of three. But with the Berlin Crisis about to boil over, his intel could be the difference between war and peace. But with the KGB lurking everywhere smuggling these secrets out of Moscow will demand nerves of steel.

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After months of missed opportunities, the CIA and MI6 are about to meet Penkovsky. But with Soviet Premier Nikita Khrushchev squaring up to the US President John F. Kennedy over West Berlin, his information could have thermonuclear consequences.

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It’s 1960. The world hangs on the brink of nuclear war. But in Moscow, a man’s about to emerge from the shadows with an offer for the CIA. His name is Oleg Penkovsky and he wants to supply the US with the Soviet Union’s greatest nuclear secrets. But is he for real or part of an elaborate trap?

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