NPR's Michel Martin talks to journalist Tim Weiner about FBI agent-turned Soviet spy Robert Hanssen, who died this week in prison. His actions led to the deaths of numerous U.S. Operatives.

Robert Hanssen, 79, was found unresponsive in his cell at a federal prison in Florence, Colorado, and later pronounced dead, prison officials said.

This 2007 spy thriller is based on the true story of Robert Hanssen, the man at the heart of what has been described as “possibly the worst intelligence disaster in U.S. history.” ...

Hanssen, who spied between 1979 and 2001, was sentenced in May 2002 to life in prison after pleading guilty. Hanssen's actions led to the deaths of at least three U.S. spies overseas.

WASHINGTON (AP) — Robert Hanssen, a former FBI agent who took more than $1.4 million in cash and diamonds to trade secrets with Moscow in one of the most notorious spying cases in American ...

Its true that Hanssen made a fair amount of money from the Soviets, but that does not seem to be what’s driving him. He just goes on living a modest middle-class existence.

When my source was revealed as a spy, my first fear was that I had been the victim of disinformation by a truly evil man. I wrote my column of Nov. 24, 1997, only after other officials confirmed ...

Feb. 20 -- Accused spy Robert Hanssen was arrested under dramatic circumstances on Sunday, but the FBI's investigation of him involved months of less glamorous legwork. Concluding a four-month ...

This 2007 spy thriller is based on the true story of Robert Hanssen, the man at the heart of what has been described as “possibly the worst intelligence disaster in U.S. history.” ...