Profession: FBI Agent and Soviet Spy
Why Famous: FBI agent who spied for Soviet and Russian intelligence services against the United States for 22 years. His activities have been described by the US Department of Justice's Commission for the Review of FBI Security Programs as "possibly the worst intelligence disaster in U.S. history".
- 2001-02-18 FBI agent Robert Hanssen is arrested for spying for the Soviet Union. He is ultimately convicted and sentenced to life in prison