The Spy Who Saved MI5 | How the Cambridge Five Changed MI5 | 5

Why was the Cambridge Five scandal so embarrassing to MI5? And how significant was Oleg Lyalin's success in restoring faith in British Intelligence? Tristan Donovan discusses the notorious spy-ring and its lasting impact with Andrew Lownie, the author of Stalin's Englishman. 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.  See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.