Today's tale is the stuff of award-winning fiction and counterintelligence nightmares: What would you do if you learned one of the nation's top intelligence professionals had joined the other side? Join Ben, Matt and Noel as they dive into the strange, disturbing case of Charles F. McGonigal.

They don't want you to read our book.: https://static.macmillan.com/static/fib/stuff-you-should-read/

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