Twenty years ago today, the worst spy to ever penetrate the FBI was arrested at Foxstone Park near his home in suburban northern Virginia. Robert P. Hanssen was a veteran FBI agent with thwarted ambitions. Feeling underestimated he turned traitor. Beginning in 1979, he provided highly classified national security information to Russia and the former Soviet Union on and off through 2001. He pled guilty to 15 counts of espionage and was sentenced to prison with no parole. Hanssen remains one of th

Robert Hanssen was a trusted FBI agent — and one of the most damaging spies in American history. For over 20 years, while working inside U.S. intelligence, he secretly sold classified information to the Soviet Union and later Russia. His betrayal exposed undercover agents, compromised national security operations, and led directly to the deaths of multiple intelligence sources. All the while, Hanssen lived a seemingly normal life, attending church and mentoring colleagues who had no idea they we