Killer Spy: Inside Story of the FBI's Pursuit and Capture of Aldrich Ames, America's Deadliest Spy by Peter Maas
In the waning days of the Cold War, Aldrich Ames systematically and cold bloodedly sent a dozen of the US's best agents to their death, betraying them to the Soviets for more than two million dollars. This is the story of how he was finally caught.