from Sputnik News:
Robert Hanssen, an FBI agent who secretly passed intelligence to the Soviet Union and later the Russian Federation, has died at the age of 79. He was serving 15 consecutive life sentences for espionage and conspiracy to commit espionage – charges to which he pleaded guilty in 2002.
The US Bureau of Prisons confirmed reports on Monday that Hanssen had passed away in his cell at ADX Florence, a supermax prison facility in Colorado.
