Bełżec extermination camp
Josef Oberhauser (21 January 1915 – 22 November 1979) was a low-ranking German SS commander during the Nazi era. He participated in Action T4 and Operation Reinhard. Oberhauser was the only person to be successfully convicted of crimes committed at the Bełżec extermination camp. He was charged with 450,000 counts of accessory to murder and sentenced to 4.5 years imprisonment during the Belzec Trial of 1964.