According to materials from the postwar judicial proceedings against former commander of Sonderkommando 4b of Einsatzgruppe C Guenther Herrmann very soon after the start of German occupation of Uman, in early August 1941, about 100 Jews of the city were murdered by Sonderkommando members at a gravel pit in Uman or near it.
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German Reports / Romanian Reports
From the Judicial Proceedings against former commanding officers of Sonderkommando 4b of Einsatzgruppe C Gunther Herrmann and Fritz Braune, Dusseldorf, 1962
1962
From the Indictment against former commanding officers of Sonderkommando 4b of Einsatzgruppe C Fritz Braune and Gunther Herrmann: …Furthermore, the defendant Herrmann is charged [with responsibility for the fact] that, on his orders, in Uman in late July-early August 1941 at least 80 Jews were killed at a gravel pit by being shot in the back of the head by members of a still unidentified unit, in at least one mass shooting. Here, too, the victims were taken in groups to the shooting site so that those people waiting [to be shot] witnessed the fate of their fellow victims and had to bear the sight of their bodies at close range.…
ZENTRALE STELLE, LUDWIGSBURG B 162/18184 copy YVA TR.10 / 836