The Sleeper Agent
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She was a top Soviet spy and a colonel in the Red Army, who had plotted to kill Hitler and sent secrets from the British atomic bomb programme to Stalin. So how did Agent Sonya - or Mrs Burton to her neighbours - evade MI5 for so long? Guests: Ben Macinty ...
In 1976, at the height of the Cold War, Robert Hanssen joins the FBI to work in their counterintelligence division. Hanssen is valued for his technical skills, and put in charge of databases containing some of the country’s most valuable secrets. But he’s socially awkward, and ...