Claim: Franz Walter Stahlecker, who was born on October 1900, served as a leader of the Reichskommissariat Ostland, which was established by Nazi Germany in 1941, and the Einsatzgruppe A.
Evidence: 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. The Reichskommissariat Ostland (RKO) was established by Nazi Germany in 1941 during World War II. Stahlecker commanded Einsatzgruppe A, the most murderous of the four Einsatzgruppen (death squads during the Holocaust) active in German-occupied Eastern Europe.