Title: CIA, Report, KGB Exploitation of Heiz Felfe ::Successful KGB Penetration of a Western Intelligence Service, April 13, 1977, Secret/NOFORN, NARA.
Date in Source: April 13, 1977
Subject: West Germany - German intelligence services - Bundesnachrichtendienst - BND - Soviet intelligence services - KGB - Counterintelligence - Soviet operations against Gehlen Organization - KGB operations in West Germany - Investigation and arrest of Felfe - Intelligence flap
Format: 158 p.
Note: Secret / NOFORN