Notorious Russian Spies Throughout History

Robert Hanssen
Pictured here in a portrait taken in commemoration of his 20th anniversary with the FBI, Hanssen, who worked in counterintelligence, sold out to the Soviets in 1979, after only three years at the bureau. Hanssen continued to sell secrets even after the fall of the Soviet Union. It was not until 2001 that the FBI was able to catch him in the act at a drop spot in Virginia. When agents took him into custody, Hanssen inquired, "What took you so long?"

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