Prosecutors said he provided classified information to Russian intelligence operatives for years, betraying the United States.
Author: ADAM GOLDMAN
Ex-F.B.I. Agent Who Vanished on C.I.A. Mission to Iran Is Likely Dead, U.S. Concludes
The retired agent, Robert Levinson, was said to be the longest-held American hostage in history. A scandal erupted inside the C.I.A. over his disappearance.
Former C.I.A. Officer Sentenced to 20 Years After Spying for China
The sentencing brings to a close one of several high-profile cases involving Chinese attempts to recruit former American intelligence officers.
Spy Betrayed U.S. to Work for Iran, Charges Say
Prosecutors say Monica Elfriede Witt gave the Iranians the code name and mission of a secret Pentagon program involving American intelligence operations.