Oleg Kalugin
Oleg Danilovich Kalugin (Russian: Олег Данилович Калугин), (born September 6, 1934) is a former KGB general. He was a longtime head of KGB operations in the United States and later a critic of the agency.
Read more about Oleg Kalugin: Early Life and The KGB Career, KGB Criticism, Countering The Soviet Coup Attempt, Exile in The United States, Books By Oleg Kalugin