By that he was deputy for Oberdienstleiter and later SS- Oberführer, Viktor Brack the chief of section II which was responsible for affairs of the Party, State, and the Armed Forces.
[1] Since neither the Führer Chancellery nor the Reich Interior Ministry were supposed to publicly be shown as responsible for the program, dummy companies were founded which acted as fronts for the government.
The Hauptamt II der Kanzlei des Führers, responsible among other duties for recruiting and appointing of personnel, equipment and controlling of the killing centers, is referred to in documents as Reichsarbeitsgemeinschaft Heil- und Pflegeanstalten (Reich work group for sanatoriums and care institutions).
Personnel freed from T4 duties was mostly transferred to the "Aktion Reinhard", which continued to be subordinate to the Zentralorganisation-T4, while technical orders were given by the SS and Police Leader of the Lublin district, Odilo Globocnik.
In spite of being wanted by the police from 1945 to his death, Blankenburg managed to live quietly, even keeping in contact with his parents in an old people's home in Ulm.