Robert Hanssen

Robert Philip Hanssen (April 18, 1944 – June 5, 2023) was a former Federal Bureau of Investigation (FBI) agent and convicted spy for the Soviet Union and Russia.

Robert Hanssen
Born	Robert Philip Hanssen (1944-04-18)April 18, 1944 Chicago, Illinois, U.S.
Died	June 5, 2023(2023-06-05) (aged 79) ADX Florence, Fremont County, Colorado, U.S.
Cause of death	Colon cancer
Other names	Ramon Garcia, Jim Baker, G. Robertson, Graysuit, "B"
Occupation(s)	Former FBI agent and spy for the Soviet Union and later the Russian Federation
Spouse	Bernadette "Bonnie" Wauck Hanssen
Parent(s)	Howard Hanssen (father) Vivian Hanssen (mother)
Allegiance	Soviet Union  Russia
Criminal charge	18 U.S.C. § 794(a) and 794(c) (Espionage Act)
Penalty	Life imprisonment (without parole)

He spied for Soviet and Russian intelligence services against the United States from 1979 to 2001. His espionage was called by the Department of Justice as "possibly the worst intelligence disaster in U.S. history."^[1]

He was serving a 15 consecutive life sentences at ADX Florence, a federal supermax prison near Florence, Colorado.

On June 5, 2023, Hanssen was found dead in his jail cell, aged 79.^[2] The cause of death was colon cancer.^[2][3]