One of the most notorious spies in U.S. history, Aldrich Ames, died on Tuesday at the age of 84. As a CIA officer, Ames sold ...

Polar War' demonstrates how difficult it is for armies to operate in the high north—and just how far America is behind in ...

Aldrich Ames, the former CIA officer whose espionage for the Soviet Union and Russia exposed covert agents and devastated U.S ...

Iran executed Ali Ardestani, accused of spying for Israel. This follows a surge in executions of alleged spies after escalated tensions with Israel, including a significant confrontation in June when ...

One of the most notorious spies in United States history, responsible for the arrest and eventual execution of numerous ...

The former counterintelligence officer, who was serving a life sentence without the possibility of parole, died Jan. 5. He ...

Gov. Ron DeSantis signed a death warrant for Frank Walls on Nov. 18, and his execution by lethal injection is set to take place Thursday, Dec. 18. He will be the 19th Florida inmate to be put to death ...

When Israel launched its 12-day attack on Iran in June, a network of secret agents on the ground proved critical in crippling Tehran’s defenses. Some of the most secret operatives weren’t professional ...

Tennessee death row inmate Harold Wayne Nichols picked his last meal ahead of his scheduled execution, according to the Tennessee Department of Correction. Nichols, 64, is to die by lethal injection ...

American officials pleaded with Mexico to expel two dozen Russian spies posing as diplomats operating in Mexico. Their concerns were dismissed. By Maria Abi-Habib Reporting from Mexico City When the ...

Two suspected Russian spies are believed to have secretly entered the U.K. on cargo ships before traveling to locations close to key military bases and critical government infrastructure, according to ...