Jinchao Wei sold thousands of documents and dozens of manuals about U.S. military ships, officials said.

Aldrich Ames, ex-head of the CIA’s Soviet counterintelligence, betrayed dozens of Russian agents spying for the US by revealing their identities to the Kremlin.

Ames had been head of the Soviet branch in the CIA's counterintelligence group and gave the Kremlin the names of dozens of Russians who were spying for the United States. View on euronews ...

Aldrich Ames, a former CIA agent who was convicted of spying for the Soviet Union and later Russia, has died, reports CBS News.

Former CIA case officer Aldrich Ames, one of America's most damaging spies who sold secrets to Russia, died at 84 in a ...

Aldrich Ames, a former counterintelligence officer for the CIA who gained notoriety as a double agent for the Soviet Union and later Russia, has died. He was 84. Ames, who was serving a life sentence ...

Aldrich H. Ames, the CIA officer whose spying for Moscow was the most damaging breach in the agency’s history, reportedly ...

Aldrich Ames, a CIA counterintelligence officer who committed one of the most damaging breaches in US history by selling out nearly a dozen Soviet, Russian and other officials working for the West, ...

A former U.S. Navy sailor was sentenced to nearly 17 years in prison on Monday for selling instructional and procedural ...