The RSHA (Reich Main Security Office) came into existence on 27/9/39 after being separate offices of the SD (security service) and SS (nazi paramilitaries) since the mid 1930's. AMT I & AMT II were formed officially on 1/10/39 but reorganised completely after March 1941, heads of department were regularly transferred to different departments and the Einsatz Squads of paramilitary murderers when new countries were invaded as all had perceived 'undesirables' to be eliminated.
Department V of the RSHA was the 'Kripo' The Criminal police. Usually made up of pre-war and often pre-nazi professional police detectives it investigated 'normal crime' such as murder, theft etc.
SS Lieutenant Doctor Of Engineering Widmann
Albert Widmann (8 June 1912 – 24 December 1986) involved in the 'T4 action' which murdered thousands of mentally disabled persons both in Germany and without.