Franz Walter Stahlecker (10 October 1900 – 23 March 1942) was commander of the SS security forces (Sicherheitspolizei (SiPo) and the Sicherheitsdienst (SD) for the Reichskommissariat Ostland in 1941–42. Stahlecker commanded Einsatzgruppe A, the most murderous of the four Einsatzgruppen (death squads during the Holocaust) active in German-occupied Eastern Europe. He was fatally wounded in action by Soviet partisans and was replaced by Heinz Jost.