Imagine a circuit breaker. One switch. Flip it, and every light in the building answers to one hand. On 17 June 1936, Adolf Hitler signed a decree creating the post of Chief of the German Police and immediately handed that switch to Heinrich Himmler — who was already Reichsführer-SS. One man. Two titles. Every police officer in Germany now answered, through a chain of command, to the same person who ran the SS. That is not a metaphor. It is the documented text of the decree itself, preserved in the Nuremberg trial record. We spent the last lecture tracing how the SS grew from eight bodyguards into a bureaucratic empire. Today we examine the moment that empire absorbed the state's own police power — and what that absorption made possible. The decree's stated purpose was, in its own words, the unification of police duties in the Reich. Himmler's formal title became Reichsführer-SS und Chef der Deutschen Polizei im Reichsministerium des Innern — Reichsführer-SS and Chief of the German Police in the Reich Ministry of the Interior. On paper, he was subordinate to Interior Minister Wilhelm Frick. In practice, Himmler's direct personal relationship with Hitler meant Frick had no effective control. Think of it like a formal org chart where the reporting line exists on paper but the phone calls go somewhere else entirely. The legal structure provided cover; the actual power flowed upward to Himmler and, above him, Hitler alone. Nine days after the appointment, on 26 June 1936, Himmler issued his own decree dividing German police into two principal branches. First, the Ordnungspolizei — the Orpo — the uniformed order police handling everyday public safety. Second, the Sicherheitspolizei — the Sipo — the security police handling political and criminal threats. Himmler placed Reinhard Heydrich in charge of the Sipo. Heydrich simultaneously ran the SS's own intelligence service, the SD. That single personnel decision fused party intelligence with state security in one person's hands. Himmler then united the Gestapo and the Criminal Police, the Kripo, inside a Security Police Main Office. The Gestapo pursued political enemies. The Kripo pursued criminal ones. Together, under Heydrich, they pursued anyone the regime defined as a threat — a category that expanded to include Jews, Roma, political dissidents, and anyone labeled asocial. Here is the precise mechanism that made this more than a paper reorganization. Vacancies in police forces were increasingly filled by SS members. Police officials were encouraged to join the SS. SS-run schools trained both SS and police officials together, building shared doctrine and a unified ideological outlook. Nuremberg prosecutors cited this shared training as direct evidence of an SS–police organizational unit, not merely a personnel coincidence. By the late 1930s, a significant percentage of senior police officers held SS rank. The institutional boundary between SS and police did not disappear on paper — the two structures never formally merged into one organization. But the boundary became functionally meaningless. Common command, common personnel, common ideology. That is the mechanism. The legal form remained; the legal constraint did not. Himmler's dual role extended his authority to the concentration camp system, the Einsatzgruppen, and police units involved in deportation and mass murder. The Order Police battalions — Orpo units — were later deployed in occupied territories and participated in mass shootings as part of SS-led operations. Modern scholarship identifies Himmler, in his combined roles, as a central organizer of the Final Solution. The institutional foundation built in 1936 was the machinery used in 1941 and beyond. A formally legal appointment — signed by a head of state, published in official decrees — created a system in which law was emptied of meaningful constraint. The legality of the appointment was precisely what made it so effective. It gave Himmler's power the appearance of constitutional order while removing every practical check on how that power was used. James, recall from our first lecture that Himmler's ambition was a Staatsschutzkorps — a state protection corps fused from SS and police, loyal to racial doctrine above all other law. The 17 June 1936 decree was not an accident of bureaucratic convenience. Primary documents and Nuremberg analyses confirm it was intentionally designed to create a permanent organic connection between SS and police — not a temporary arrangement. The postwar myth that the regular police and the SS were separate institutions is precisely that: a myth. Under Himmler's dual command, the police were systematically integrated into the SS system of repression. One switch. One hand. And the lights it controlled reached into every corner of the German state — and eventually, into occupied Europe.