Erwin Weinmann was a German medical doctor, SS-Oberführer and police colonel; in the Reich Security Head Office (Reichssicherheitshauptamt) of Group IV D (Occupied Territories) within the Gestapo (Amt IV). From January 1942 to July 1943 Weinmann was responsible leader of the Sonderkommando 4a (Sk4a) for the mass murder of Jews in Ukraine. Since summer 1942 he was BdS in Prague.
Ernst Klee: Das Personenlexikon zum Dritten Reich. Frankfurt am Main 2007, S. 663.