Harold James "Jim" Nicholson is a former CIA officer who was twice convicted of spying for Russia's Foreign Intelligence Service. He was sentenced to 23 years and 7 months for conspiracy to commit espionage in 1997, and 8 years for conspiracy to act as an agent of the Russian government and money laundering in 2011.
(From: https://www.justice.gov/opa/pr/imprisoned-spy-pleads-guilty-conspiracy-act-agent-russian-government-and-money-laundering)
Investigative reporter and Pulitzer Prize finalist Bryan Denson offers the authoritative account of how Harold James Nicholson twice betrayed his country.
Video on how Harold James Nicholson, former CIA officer, became a twice-convicted spy for Russia's Foreign Intelliegnce Service