Robert Hanssen was condemned to life in jail without the possibility of parole for spying for the Soviet Union and Russia.
During 20 years, Hanssen pleaded guilty to 15 counts of espionage and conspiracy for transmitting confidential material to the Soviet Union and, later, Russia.
In the United States Court for the Eastern District of Virginia, he appeared before Judge Claude Hilton.
According to US Attorney Paul McNulty, the punishment should serve as a deterrent to other possible traitors.
Hanssen is currently incarcerated at ADX Florence, a federal supermax prison outside Florence, Colorado, where He is presently serving 15 life sentences without the chance of parole.
