sentences:  Einsatzgruppe A arrived in the Baltic states (Estonia, Latvia, and Lithuania) with Army Group North; Einsatzgruppe B in Belarus with Army Group Center; Einsatzgruppe C in the Ukraine with Army Group South; and Einsatzgruppe D went further south into Ukraine with the 11th Army.Each Einsatzgruppe numbered around 600–1,000 men, with a few women in administrative roles.Travelling with nine German Order Police battalions and three units of the Waffen-SS, the Einsatzgruppen and their local collaborators had murdered almost 500,000 people by the winter of 1941–1942.