Reich Main Security Office
The Reich Main Security Office ( or RSHA ) was an organization subordinate to Heinrich Himmler in his dual capacity as "Chef der Deutschen Polizei" ( Chief of German Police ) and "Reichsführer-SS" , the head of the Nazi Party's "Schutzstaffel" ( SS ) . 
<triplet> Heinrich Himmler <subj> Reichsführer-SS <obj> position held <subj> Schutzstaffel <obj> member of <triplet> Schutzstaffel <subj> Heinrich Himmler <obj> director / manager <subj> Reichsführer-SS <obj> chairperson