Aldrich Ames, a CIA officer who became one of America's most damaging double agents, has died aged 84.

WASHINGTON — CIA turncoat Aldrich Ames, who betrayed Western intelligence assets to the Soviet Union and Russia in one of the most damaging intelligence breaches in U.S. history, has died in a Marylan...

He was arrested in February 1994 and pleaded guilty without a trial to espionage and tax evasion.