WASHINGTON – Aldrich Ames, the former CIA officer who notoriously sold sensitive information to the Soviet Union and Russia, has passed away at the age of 84 while serving time in a Maryland prison. His actions resulted in one of the most significant security breaches in U.S. intelligence history.

The Bureau of Prisons has confirmed that Ames died on Monday.

From 1985 until his arrest in 1994, Ames received $2.5 million from Moscow in exchange for classified U.S. intelligence. He compromised the identities of 10 Russian officials and an East European operative who were secretly working for the U.S. or the UK. His disclosures led to the execution of agents working undercover in Eastern Europe and represented a severe blow to the CIA’s operations.

Ames avoided a trial by pleading guilty to charges of espionage and tax evasion, receiving a life sentence without the possibility of parole. Prosecutors highlighted that his actions had deprived the United States of critical intelligence resources for an extended period.

Expressing “profound shame and guilt” in court for his actions, Ames attributed his betrayal to financial motives, specifically the need to settle debts. However, he minimized the impact of his espionage, arguing that he had not significantly harmed the U.S. nor substantially benefited Moscow.

“These spy wars are a sideshow which have had no real impact on our significant security interests over the years,” Ames stated in a straightforward manner during his court appearance.

In a jailhouse interview with The Washington Post the day before he was sentenced, Ames said he was motivated to spy by “financial troubles, immediate and continuing.”