 To isolate Röhm, on 20 April 1934, Göring transferred control of the Prussian political police (Gestapo) to Himmler, who he believed could be counted on to move against Röhm.Both the "Reichswehr" and the conservative business community continued to complain to Hindenburg about the SA.In early June, defence minister Werner von Blomberg issued an ultimatum to Hitler from Hindenburg