Once the FBI zeroed in on Robert Hanssen as a suspect, the bureau set up an elaborate sting operation to catch him in the act. A fake promotion, a bugged office, and a daring mission led to an opportunity to finally catch Hanssen red-handed. For 22 years, Hanssen had beaten the FBI at its own game. Now the FBI was ready to strike back. Drop us a line: agentofbetrayal@cbsnews.comSee Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.

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Amid the nuclear threat of the Cold War, America's prized secrets were falling into the hands of its sworn enemy. The FBI's hunt for the leak led to an astonishing discovery—the mole was one of its own, special agent Robert Hanssen. For two decades, Hanssen masqueraded as a devoted patriot while ruthlessly selling out his country, trading classified intelligence to the Soviet Union and later Russia, in exchange for cash and diamonds. He was a whirlwind of contradictions—a self-proclaimed patriot and a traitor; a family man who sexually betrayed his wife; an ardent man of God and a sinner. Through interviews with Hanssen’s family, friends, and colleagues, CBS News Chief Washington Correspondent Major Garrett (Host of “The Takeout”) delves into the double life of Robert Hanssen and unravels the chilling truth about the most damaging spy in FBI history in “Agent of Betrayal: The Double Life of Robert Hanssen”.