At least how many Jews was the unit Joachim Hamann commanded responsible for killing?
Joachim Hamann Joachim Hamann (18 May 1913 in Kiel – 13 July 1945) was an officer of the "Einsatzkommando 3", a killing unit of "Einsatzgruppe A", responsible for thousands of Jewish deaths in Lithuania. Hamann organized and commanded "Rollkommando" Hamann, a small mobile killing unit composed of 8–10 Germans and several dozens of local Lithuanian collaborators.
Hans Koch (SS officer) Hans Koch (August 13, 1912 – July 14, 1955) was an SS-"Unterscharführer" and member of staff at Auschwitz concentration camp. He was prosecuted at the Auschwitz Trial.