American Spy John Walker has died. Walker led an espionage ring passing info to the Soviets during the Cold War. Walker was sentenced to life in prison in 1985 after pleading guilty to passing secrets to the Soviets while working as a communications officer on a Navy ship.
The Russians used his information over 17 years to decode millions of secret US Navy messages to learn about the tactics the US planned to use against them. More here: ind.pn/1qpv4Gn