Hilfspolizei aged WWII German armband.
The Hilfspolizei (abbreviated HiPo or Hipo; meaning auxiliary police) was, a short-lived auxiliary police force in Nazi Germany in 1933; a general term for various organizations subordinated to the Ordnungspolizei during WW2; a term also used for various military and paramilitary units set up during World War II in German-occupied Europe.
Hermann Göring, newly appointed as Interior Minister of Prussia, established the Hilfspolizei on 22 February 1933 to assist regular police in maintaining order and later in handling communists in the wake of the Reichstag fire. The organization quickly spread from Prussia to other German states and Hitler endorsed it in the Reichstag Fire Decree. The units were staffed mainly by members of Sturmabteilung (SA) and Allgemeine SS wearing SA or SS uniforms with a white brassard. It is estimated that the auxiliary units had 25,000 SA and 15,000 SS members. The units also included members of Der Stahlhelm veterans organization (Der Stahlhelm). The force carried out or organized numerous violent attacks against Nazi opponents and staffed the early Columbia and Dachau concentration camps. The SS-Totenkopfverbände grew out of this formation. The force was disbanded in August 1933 due to international protests that the units violated the disarmament provisions of the Treaty of Versailles, Adolf Hitler’s growing distrust of SA, and outliving its purpose during the consolidation of the new Nazi regime.