Aldrich Ames was an American official in the CIA who became one of the most successful double agents for the Soviet Union and Russia, selling intelligence information. Some consider him the most damaging mole in the history of the CIA. At least 10 spies were executed as a result of Ames’s actions. Arrested in 1994, he pleaded guilty and was sentenced to life. Ames was imprisoned at the Federal Correctional Institution in Cumberland, Maryland, at the time of his death in January 2026. He was 84 years old.
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