Members of an Einsatzkommando firing at men standing at the bottom of a trench. Circa : 1941-1942. Whereabouts unknown. Photographer unknown.
© USHMM, courtesy of Dokumentatioarchiv of the Oesterreichischen Widerstandes

Einsatzgruppen

tanker visiting graves of fallen comrades. Early part of the war.

fallen comrades

In mid-December, 1941, the edge of the ditch is the killing site on Skede beach, near Liepaja. Once shot in the back of the head, the victims fall into the mass grave.
http://www.rumbula.org/einsatzgruppen_latvia.shtml