Held in a Korean POW camp in 1948, British intelligence agent George Blake converted to communism and was released back to England. He thus began a long career of spying on the British for the Soviets throughout the Cold War. 

Parcasters - When conservation advocate Joy Adamson turned up dead, the authorities initially suspected one of her lions. Little did they know one of her disgruntled employees would be much more dangerous! Listen to her story on Assassinations, available now on Spotify or wherever you get your Parcast Originals!