Karel František Koecher is the only mole known to have penetrated the CIA. Born in Czechoslovakia, he became a radio comedy writer and was allegedly frequently scrutinized by the Communist security forces for his satire that mocked the regime (this turned out to be a pre-planned "cover story"). He officially joined the Czechoslovakian intelligence service in 1962. Because of his English language skills, Koecher was selected to become a mole in the West. Wikipedia
The definitive Wikipedia entry for Karl Koecher. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Karl_Koecher
1984 - KARL F. KOECHER , a former CIA employee, and his wife, were arrested 27 November as they were preparing to fly to Switzerland. At the time, he was believed to be the first foreign agent to have penetrated the CIA having operated successfully as an antipolygraph.org/cgi-bin/forums/YaBB.pl?board=Policy;act...
1984 - KARL F. KOECHER , a former CIA employee, and his wife, were arrested 27 November as they were preparing to fly to Switzerland. At the time, he was believed to be the first foreign agent to have penetrated the CIA having operated successfully as an antipolygraph.org/cgi-bin/forums/YaBB.pl?num=1020510786
Born in Czechoslovakia, he became a radio host and was frequently scrutinized by the Communist security forces for his satire that mocked the regime. Worried about his safety, Koecher decided to switch roles, and with the help of a friend joined the Czec www.militaryphotos.net/forums/showthread.php?t=62568