Jeffrey Martin Carney is a former U.S. Air Force intelligence specialist convicted of spying for East German Ministry for State Security (Stasi). Disillusioned with the Air Force and by U.S. policies, he began giving U.S. military classified documents to the Stasi while in West Berlin, where he was assigned as a linguist. He continued to spy after resturning to the U.S. to work at a USAF base in Texas. In 1985 he seeked asylum and fleed to East German. Carney's exact whereabouts were unknown until he was apprehended in April 1991 by special agents. After pleading guilty to espionage, conspiracy, and desertion; he was convicted and sentenced to 38 years in prison. He was later released in 2002, after serving 12 years in prison.
(From: https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/197642/catching-an-air-force-spy/)
Video on Jeff Carney and his spying for the East Germans.
