What Makes a Traitor Tick?

He was the psychiatrist for notorious spy Robert Hanssen and interviewed him extensively in prison. David L. Charney knows better than anyone how Hanssen thought and even felt immediately after his long-term espionage was discovered. Did he feel remorse, did he worry about his family, did he care? The answers may surprise you. Charney has worked with a number of high-profile spies and has focused extensively on the psychology and motivation of traitors.