Even in the midst of the storm of the war, at the second session of the AVNOJ in Jajce, November 1943, a decision was made for a special task force to be formed to investigate the crimes committed by fascists at the territory of Yugoslavia during the war. It was named ""Federal Commission for determination of the crimes conducted by the Occupators and their helpers during World War 2"" (in Serbian: Državna komisija za utvrđivanje zločina okupatora i njihovih pomagača iz Drugog svetskog rata), and it immediately started its work. In following five years broad investigation was conducted nationwide. It is said that until 1948, this official body collected over a million cases of war crime, documented and reported.