Robert Philip Hanssen (April 18, 1944 – June 5, 2023) was an American Federal Bureau of Investigation (FBI) agent who spied for Soviet and Russian intelligence services against the United States on and off from 1979 to 2001.

On January 12, 1976, Robert Philip Hanssen swore an oath to enforce the law and protect the nation as a newly minted FBI special agent. Instead, he ultimately became...

The FBI is the lead agency for exposing, preventing, and investigating intelligence activities in the U.S. Because much of today’s spying is accomplished by data theft from computer networks ...

2023年6月6日 · WASHINGTON — 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 history...

2023年6月5日 · An FBI agent-turned-Russian mole who is notorious as one of the most damaging spies in US history has been found dead in prison. Robert Hanssen was discovered at a maximum-security facility in...

The FBI learned of Pitts' spying through human intelligence. His KGB handler, Alexsandr Karpov, defected to the United States and named Pitts as a Soviet mole in the FBI during his debriefings. Pitts was snared in a 16-month FBI sting that ended with his arrest while he was stationed at the FBI Academy in Quantico, Virginia. The FBI caught ...

2025年3月27日 · Robert Hanssen (born April 18, 1944, Chicago, Illinois, U.S.—died June 5, 2023, Florence, Colorado) was an agent of the U.S. Federal Bureau of Investigation (FBI) who was one of the Soviet Union’s and Russia’s most valuable double agents and the most damaging spy ever to penetrate the FBI.

Operation Monopoly was a secret plan by the United States Federal Bureau of Investigation (FBI) to construct a tunnel underneath the Soviet Embassy in Washington, D.C., to gather secret intelligence, in effect from 1977 until its public discovery in 2001.

2003年10月14日 · Spy tells, for the first time, the full, authoritative story of how FBI agent Robert Hanssen, code name grayday, spied for Russia for twenty-two years in what has been called the “worst intelligence disaster in U.S. history”–and how he was finally caught in an incredible gambit by U.S. intelligence.

2001年3月5日 · The FBI Spy It took 15 years to discover one of the most damaging cases of espionage in U.S. history. An inside look at the secret life, and final capture, of Robert Hanssen 18 minute read