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
Louisiana State Police – Criminal Investigations Division (Region 2)
437 West Mills Ave.
Breaux Bridge, LA 70517
Louisiana State Police – Criminal Investigations Division (Region 3)
5903 Coliseum Blvd.
Alexandria, LA 71303