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'.

Listen to The Spy Who ad-free on Wondery+ in the Wondery App, Apple Podcasts or Spotify. Start your free trial by visiting wondery.com/links/the-spy-who now.

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