Notorious FBI double-agent Robert Hanssen dead
Robert Hanssen, the notorious FBI double agent who secretly fed Russia some of America's deepest secrets in the 1980s and 1990s, died in a top-security prison Monday, prison officials said.. Hanssen, 79, was found unresponsive early Monday in the ultra-high-security US prison in Florence, Colorado, and was later pronounced dead, according to a prison statement.