ndations for his work. He was threatened with a punitive investigation unless he agreed to quietly resign from the CIA. “It was not a stellar career” Drumheller, the former CIA station chief, told me in 2014. Snowden blamed his career-ending “derog” on an “e-mail spat” with a superior. From Moscow, he wrote

n not only had a career-damaging “derog” in his file but he faced an internal investigation of his suspicious computer activities. According to Tyler Drumheller, the former CIA chief for Europe, such an internal investigation was not undertaken lightly or because of an “email spat.” He said that such an inves