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Robert Hanssen

Robert Philip Hanssen (born April 18, 1944) is a former Federal Bureau of Investigation (FBI) agent who spied for Soviet and Russian intelligence services against the United States for 22 years from 1979 to 2001. He is currently serving 15 consecutive life sentences at ADX Florence, a federal supermax prison near Florence, Colorado.

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Did weaknesses in the FBI's system lead to the ease with which Hanssen gave secrets to Russia? Perhaps, but it was the strength in Eric O'Neill's training that led to the end of Hanssen's criminal acts.

Contributed by Sammo Lea

Part 2 of David Vise's interpretation of Hanssen's actions throughout his betrayal of the FBI.

Contributed by Sammo Lea

Why did Robert Hanssen betray the FBI? Author David Vise explains what he thinks motivated Hanssen to embark on one of the greatest cases of espionage.

Contributed by Sammo Lea

The FBI arrest of Agent Robert Hanssen near Foxstone Park.

Contributed by Sammo Lea

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