Some articles on kripo:

Kriminalpolizei - Nazi Germany
... KriPo Kriminalpolizei The Kripo during the Third Reich was under the control of members of the SS ... In July 1936, the Kripo became the Criminal Police Department for the entire Reich ... At that point, Reinhard Heydrich was in overall command of the SiPo (Gestapo and Kripo) and the Sicherheitsdienst (SD) ...