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Counterintelligence: Robert P. Hanssen

Counterintelligence can be described as activities designed to prevent or thwart spying, intelligence gathering, and sabotage by an enemy or other foreign entity. This guide provides books, articles, reports, websites, and videos on the subject.

Robert P. Hanssen, FBI

Robert Philip Hanssen was a former U.S. Federal Bureau of Investigation agent who spied for Soviet and Russian intelligence services against the United States for 22 years from 1979 to 2001.  He pled guilty to 15 counts of espionage on July 6, 2001 and was sentenced to prison without the possibility of parole.  He died in 2023 while in jail serving out his 15 consecutive life sentences.  Hanssen is considered the most damaging spy in FBI history



Video-- Robert Hanssen: The FBI Mole Who Spied for the KGB

Video on Robert Hanssen


Online Resources

Video: Witness to History-- The Investigation of Robert Hanssen

Panel on the inside look at the Robert Hanssen case.  October 2013.

Video-- The Worst Intelligence Disaster in FBI History

Robert P. Hanssen's decades-long path of treachery is considered the worst intelligence disaster in FBI history.  December 2023.