IV A 1 (Communism, Marxism and subsidiary organizations, war crimes, illegal and enemy propaganda):[2] SS-Sturmbannführer and Kriminaldirektor Josef Vogt, from August 1941 SS-Hauptsturmführer Günther Knobloch IV A 2 (Sabotage defense, counter-sabotage, political-police officer defense, political forgery):[2] SS-Hauptsturmführer and Kriminalkommissar Horst Kopkow IV A 3 (Reactionaries, opposition, legitimism, liberalism, emigration, treacherous affairs and opposition):[2] SS-Sturmbannführer and Krimininaldirektor Willy Litzenberg IV A 4 (Protection service, assassination attempts, monitoring, special order, investigation squad):[2] SS-Sturmbannführer and Kriminaldirektor Franz Schulz