Premise: Gestapo . Beginning on 20 April 1934 it passed to the administration of Schutzstaffel ( SS ) national leader Heinrich Himmler , who in 1936 was appointed Chief of German Police ( Chef der Deutschen Polizei ) by Hitler , the Gestapo at this time becoming a national rather than a Prussian state agency as a suboffice of the Sicherheitspolizei ( SiPo ) ( `` Security Police '' ) . Heinrich Himmler . From 1943 onwards , he was both Chief of German Police and Minister of the Interior , overseeing all internal and external police and security forces , including the Gestapo ( Secret State Police ) . Reichsführer-SS ( [ ˈʁaɪçsˌfyːʁɐ ˈɛs ˈɛs ] ) was a special title and rank that existed between the years of 1925 and 1945 for the commander of the Schutzstaffel ( SS ) .
Hypothesis: Heinrich Himmler oversaw the Gestapo.
Label: ENTAILMENT