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Lt. Colonel Layne Barnum

Deputy Superintendent

7919 Independence Blvd.
Baton Rouge, LA 70806

Biography Information

Lt. Colonel Barnum is a second generation Louisiana State Trooper and has served for over 23 years. He was hired in 1995 and worked in uniform patrol at Troop A in Baton Rouge. He also worked as a trooper in the Internal Affairs, Detectives, and Insurance Fraud sections.

On September 19, 2001, Lt. Colonel Barnum was promoted in the Bureau of Investigation, Investigative Support Section as the Analytical Sergeant. He was tasked to develop the first statewide threat and vulnerability assessment, along with critical infrastructure identification in the wake of the 9/11 attacks. He also participated as a member of the national working group to develop the Joint Regional Information Exchange System (JRIES) which eventually became the Homeland Security Information Network (HSIN).

In 2004, Lt. Colonel Barnum was promoted to Lieutenant in Internal Affairs where he managed all departmental administrative investigations. He also initiated a project to enhance and standardize all pre-employment background investigations.

Lt. Colonel Barnum was promoted to Captain in 2007 at the Joint Emergency Services Training Center (JESTC). He was then transferred in 2008 and assigned as the Director of the Louisiana State Police Crime Laboratory where he initiated projects to reduce the forensic backlogs and streamline work processes through Lean Six Sigma initiatives. During this time the Crime Lab realized backlog reductions from approximately 15,000 requests to 4,000 requests. Additionally, turn-around times were drastically decreased and the Crime Lab became nationally recognized for its achievements and real time crime fighting efforts.

Lt. Colonel Barnum was promoted to Major in 2011 in Support where he served as the Command Inspector for the Crime Lab, Criminal Records, and Support Services. In 2012 he was transferred to the Training Division and served as the Command Inspector for the LSP Training Academy, JESTC, Physical Security, and the Capitol Detail.

In 2013, Lt. Colonel Barnum was transferred to the Criminal Investigations Division and served as the Command Inspector for the Detectives and Narcotics Units. During this time he standardized investigations into Officer Involved Shootings (OIS). He also led the effort to develop three important frameworks to improve the Department’s overall investigative professionalism: OIS Investigative Manual; Electronic Wire Intercept Policy; and the Bureau of Investigations Field Training Agent Manual. Lt. Colonel Barnum served on several boards, commissions and panels to include: the Louisiana Governor’s Drug Policy Board, the Prescription Monitoring Program, and the Association of State Criminal Investigative Agencies (ASCIA) - Use of Force Working Group.

In 2017 Lt. Colonel Barnum was assigned as the Command Inspector of the Internal Affairs Division where he served for a few months before being promoted to Lieutenant Colonel in 2018.

Lt. Colonel Barnum currently serves as the Deputy Superintendent of Support which includes the program management of the following Commands: Training, JESTC, Physical Security, Capitol Detail, Crime Lab, Technical Support, and Support Services.

Prior to becoming a state trooper, Lt. Colonel Barnum served as an enlisted soldier in the Louisiana National Guard. He volunteered and was deployed as a Military Police Officer with the 39th Military Police Company to Saudi Arabia during Operation Desert Storm. He later transferred to the 415th Military Intelligence Battalion and became MOS qualified as a Counter-Intelligence Agent and achieved certification as a Spanish Linguist.

Lt. Colonel Barnum received a Bachelor's degree from LSU and is a graduate of the FBI National Academy Session #246.