By order of 27 October 2011 the Institute of National Remembrance - Branch Commission of Investigation of Crimes against the Polish Nation in Kraków has launched the suspended investigation of former District Commission for the Investigation of Nazi War Crimes in Kraków on infringement of international law, constituting crime against humanity by representatives of the German state in the period from May 1940 to January 1945 in Auschwitz and other localities. This involved deprivation of liberty of Polish citizens by placing them in the Auschwitz-Birkenau concentration camp, subjecting to inhuman treatment and murder, which constitutes an offense under article 1 point 1 of the Decree of 31 August 1944, concerning the punishment of fascist-hitlerite criminals guilty of murder and ill-treatment of civilian population and of prisoners of war, and the punishment of traitors to the Polish Nation (Journal of Laws No. 69 of 1946, pos. 377, further amended).

The purpose of the investigation is thorough and comprehensive explanation of the circumstances of the offence specified by the content of art. 297 of the Code of Criminal Procedure, taking into account the findings made so far in criminal proceedings involving the act subject to the investigation.