He was also Stellvertretender Reichsprotektor (Deputy/Acting Reich-Protector) of Bohemia and Moravia.
He was chief of the Reich Security Main Office (including the Gestapo, Kripo, and SD). Reinhard Tristan Eugen Heydrich ( / ˈ h aɪ d r ɪ k/ German: ( listen) 7 March 1904 – 4 June 1942) was a high-ranking German SS and police official during the Nazi era and a principal architect of the Holocaust.