Special Tasks: The Memoirs of an Unwanted Witness, 

According to KGB archives, Pavel Sudoplatov directed the secretive Administration for Special Tasks.This department was responsible for kidnapping, assassination, sabotage, and guerrilla warfare during World War II, it also set up illegal networks in the United States and Western Europe, and, most crucially, carried out atomic espionage in the United States, Great Britain, and Canada. Sudoplatov served the KGB for over fifty years, at one point controlling more than twenty thousand guerrillas, moles, and spies.