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Criminal Investigations Division

Major Layne Barnum, Command Inspector


The Criminal Investigations Division (CID) is responsible for the investigation of criminal activity in the State of Louisiana. CID is comprised of both Detectives and Narcotics investigators. CID operates in three (3) Regions throughout the state which follow the same geographical lines as the Patrol Regions. Please see the Patrol and Troop Section for maps of the specific areas of responsibility. In addition to the CID Headquarters, several field offices are maintained in strategic locations throughout the state.

To report criminal or suspicious activity, please call 1-800-434-8007 or File an Online Complaint of Suspicious or Criminal Activity.

Louisiana State Police Criminal Investigations Division (Region 1)
7919 Independence Blvd.
Baton Rouge, LA 70806
225-925-3703 Office
225-925-3724 Fax

Louisiana State Police Criminal Investigations Division (Region 2)
437 West Mills Ave.
Breaux Bridge, LA 70517
337-332-8080 Office
337-332-1244 Fax

Louisiana State Police Criminal Investigations Division (Region 3)
5903 Coliseum Blvd.
Alexandria, LA 71303
318-484-2190 Office
318-484-2128 Fax