Georgi Tsankov testifies before a BCP CC Commission for the Investigation of the Political Trials [against opposition leaders]. He emphasizes the role of the Soviet advisor to the Bulgarian Ministry of Internal Affairs, Gen. Filatov, regarding the human rights abuse of detainees. Vulko Chervenkov talks about Filatov’s disregard of Politburo’s policy decisions, as well as about his eventual withdraw to Moscow by Stalin.