Belarusian Auxiliary Police (; ), later renamed Ordnungsdienst (OD), was established in July 1941. It was staffed by local inhabitants and had similar functions to those of the Ordnungspolizei - OrPo - German Police. The OD activities were supervised by defense police departments, local commandant's offices, and garrison commandants. The OD units consisted of one police officer for every 100 rural inhabitants and one police officer for every 300 urban inhabitants. The OD was in charge of guard duty, and included both stationary & mobile posts plus groups of orderlies. It was subordinate to the defense police leadership. Belarusian Auxiliary Police participated in various massacres of villages inside Belarus. The Germans carried out the first killings by exerting force, using experienced gu