Aldrich Hazen Ames (; born May 26, 1941) is an American former CIA counterintelligence officer who was convicted of espionage on behalf of the Soviet Union and Russia in 1994. He is serving a life sentence, without the possibility of parole, in the Federal Correctional Institution in Terre Haute, Indiana. Ames was known to have compromised more highly classified CIA assets than any other officer until Robert Hanssen, who was arrested seven years later in 2001.
