Missouri Revised Statutes Title V. Military Affairs and Police § 43.380. Investigations, powers, procedure

1. The director of the division of drug and crime control shall initiate the investigation of any suspected crime or criminal activity within this state at the request of the attorney general, when the attorney general has authority to initiate legal action with respect to the matter to be investigated, or at the request of any chief of police, prosecuting attorney, sheriff or the superintendent of the Missouri state highway patrol.

2. If the attorney general or the superintendent of the highway patrol request the director of the division of drug and crime control to undertake any investigation under this section other than a drug-related investigation, the director shall notify as soon as practical the chief of police, prosecuting attorney, or sheriff having jurisdiction in the area in which the pending investigation will be conducted of such pending investigation unless such official is a subject in the investigation or is implicated or allegedly involved in the investigation.