Oleg Kalugin headed KGB operations in the United States in the 1970s . Former Soviet spy Oleg Kalugin , who headed KGB operations in the United States in the 1970s and later left Russia to live in America , told CNN Tuesday he is `` amazed '' that Moscow is engaging so heavily in espionage against Washington . He later left Russia to live in America , . Kalugin says he is `` amazed '' at Moscow 's alleged heavy espionage in U.S. Kalugin : U.S. `` used to be enemy No . 1 for the KGB ... but now it has become a friend of mine and I am very proud that we have been able to work together so well on this issue.
Oleg Kalugin headed KGB operations in the United States in the 1970s . He later left Russia to live in America , . Kalugin says he is `` amazed '' at Moscow 's alleged heavy espionage in U.S. Kalugin : U.S. `` used to be enemy No . 1 for the KGB ... but now it has become a friend of mine and I am very proud that we have been able to work together so well on this issue.