Night of the Long Knives
Finally, Hitler used the purge to go against conservative critics of his regime, especially those loyal to Vice-Chancellor Franz von Papen, and to settle scores with old enemies, such as Kurt von Schleicher. Ernst Röhm was arrested on June 30 by the SS (lead by Reichsführer-SS Heinrich Himmler and deputy SS-Obergruppenfuhrer Reinhard Heydrich) and was killed by General  Josef Sepp Dietrich,Theodor Eicke and Michael Lippert .