Britannica AI Icon

Adding us as a Preferred Source tells Google you trust our content, so our articles show up more often in your Google Search, Discover feed, and AI Overviews.
verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Feedback
Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login).
Thank you for your feedback

Our editors will review what you’ve submitted and determine whether to revise the article.

Aldrich Ames

American spy
Also known as: Aldrich Hazen Ames
Top Questions

Who was Aldrich Ames?

What happened to Aldrich Ames’s wife?

Aldrich Ames (born May 26, 1941, River Falls, Wisconsin, U.S.—died January 5, 2026, Cumberland, Maryland) was an American official of the U.S. Central Intelligence Agency (CIA) who was entrusted with discovering Soviet spies and who himself became one of the most successful double agents for the Soviet Union and Russia.

The son of a CIA analyst, Ames attended the University of Chicago for two years before becoming a CIA trainee in 1962; he also attended George Washington University (B.A., 1967). In 1969–72 Ames was posted to Ankara, Turkey, where he recruited U.S. spies from among Soviet nationals. He then lived in the United States until 1981, when he was posted to Mexico City, where he met his second wife, Maria del Rosario Casas Dupuy, a Colombian he recruited to work for the CIA. They married in 1985, while he was based again at CIA headquarters near Washington, D.C.; they later had a son, Paul. Aldrich Ames was posted to Rome in 1986–89.

In 1985, aided by Rosario, who by then no longer worked for the CIA, Ames began selling American intelligence information to the KGB. At least 10 CIA agents within the Soviet Union were executed as a result of Ames’s spying; ultimately, he revealed the name of every U.S. agent operating in the Soviet Union (after 1991, Russia). Before Aldrich and Maria Ames were arrested in 1994, they had received more than $2.7 million, the most money paid by the Soviet Union or Russia to any American for spying. Ames was convicted of espionage and sentenced to life in prison, and his wife received a five-year sentence for tax evasion and conspiracy to commit espionage. His story was the topic of the 1998 film Aldrich Ames: Traitor Within. He remained imprisoned at the Federal Correctional Institution in Cumberland, Maryland, at the time of his death in January 2026.

Discover the fascinating events that shaped the world, straight from our editors.
By clicking “Sign Up”, you consent to the Britannica Privacy Policy and Terms of Use.
The Editors of Encyclopaedia BritannicaThis article was most recently revised and updated by Michael Ray.