Eric O’Neill took to Twitter, saying he regrets not asking Robert Hanssen -- the former FBI agent who was sentenced to life in prison in 2002 for spying on America for Russia -- why he betrayed ...

Robert Philip Hanssen, who received payments of $1.4 million in cash and diamonds for the information he gave the Soviet Union and Russia, has died, the Federal Bureau of Prisons announced Monday.

Robert Hanssen had received more than $1.4m in cash, ... Additionally, he would post sexually explicit stories about him and his wife online and share nude photos of her.

Notorious spy Robert Hanssen was found dead in federal prison at the age of 79. Getty Images. Hanssen’s nefarious activities began in 1985, when he had been working for the FBI for almost a decade.

Robert Hanssen, a former FBI agent who received more than $1.4 million for committing espionage on behalf of Moscow, died in prison, officials said.

Former FBI agent Robert Hanssen, who was convicted of having spied for the Soviet Union and Russia for decades, was found dead in his prison cell Monday, authorities confirmed.

Robert Hanssen, FBI agent convicted of spying for Russia, has died 00:25. Robert Hanssen, a former FBI agent who was one of the most damaging spies in American history, was found dead in his ...

Robert P. Hanssen, a former F.B.I. agent who spied for Moscow off and on for more than two decades during and after the Cold War in one of the most damaging espionage cases in American history ...

Robert P. Hanssen, a former FBI agent who pleaded guilty to spying for Moscow for years in one of the most devastating intelligence breaches in American history, died June 5 at the maximum ...