 With the approval of Reinhard Heydrich, Rasch organised and founded the Soldau concentration camp in the winter of 1939/40 as a "Durchgangslager" ("Dulag"), or transit camp, for deportations to the General Government, and where Polish intelligentsia could be secretly executed.In June 1941, shortly before the invasion of the Soviet Union, Rasch took command of Einsatzgruppe C. In this capacity, he perpetrated extermination actions against Jews.Rasch, along with General Kurt Eberhard and Paul Blobel, organised the Babi Yar massacre, which saw the murder of over 33,000 Jews.