The Louisiana State Police Bureau of Investigation is responsible for the investigation of criminal activity, intelligence gathering, and case and technical support in the State of Louisiana. This program is made up of the Criminal Investigations Division, the Special Investigations Division, and the Gaming Enforcement Division.


Lt. Colonel Treone Larvadain

Deputy Superintendent - Bureau of Investigations

Lieutenant Colonel Treone Williams-Larvadain is a highly experienced and accomplished professional with a distinguished 17-year career in the Louisiana State Police. Throughout her tenure, she has undertaken a wide range of executive, administrative, operational, training, and investigative roles within the department, showcasing her versatility and expertise. Currently serving as the Deputy Superintendent overseeing the Bureau of Investigations, Lieutenant Colonel Larvadain leads all plainclothes State Police operations, assuming responsibility for the Criminal Investigations Division, the Gaming Enforcement Division, and the Special Investigations Division. 

Lieutenant Colonel Larvadain embarked on her journey with the Louisiana State Police in 2006 as a Trooper at Troop C in Gray. Over the years, she has held various significant positions, including Patrol, Protective Services, Internal Affairs, Criminal Investigations Division, Training Academy, Executive Officer, and Commander of Internal Affairs, as well as Commander of Protective Services. In recognition of her exceptional performance, Lieutenant Colonel Larvadain was promoted to Command Inspector in 2022, assuming the rank of Major and overseeing the Criminal Investigations Division statewide. This role encompassed supervising detectives, narcotics, and the fugitive apprehension team. Her dedication and commitment have propelled her through the ranks, earning her academic achievements and commendations across multiple commands. 

Lieutenant Colonel Larvadain has consistently demonstrated exceptional performance throughout her career. She has achieved remarkable milestones, such as becoming an adjunct instructor and teaching the Department's Relational Leadership Model courses. Additionally, she successfully completed the Peace Officers Standards and Training (P.O.S.T.) Master Instructor School and was appointed as the P.O.S.T. Senior Master Instructor for the state. Furthermore, while serving at the Training Academy, she attended the Cooper Institute in Dallas, TX, and became a Law Enforcement Fitness Specialist. 

Lt. Colonel Larvadain's accomplishments extend beyond her own achievements. In October 2018, she made history when her daughter, Tiah Larvadain, graduated from the Louisiana State Police Academy as a Trooper. This mother-daughter duo became the first in LSP's history to accomplish such a feat. 

On July 11, 2023, Lt. Colonel Larvadain reached another significant milestone in her career. She was promoted to Lieutenant Colonel and appointed as the Deputy Superintendent over the Bureau of Investigations, making her the first African American female to hold this rank. In this role, she oversees all sections of the Bureau of Investigations statewide. This appointment further highlights her exceptional capabilities and leadership qualities. 

Hailing from Belle Rose, Lt. Colonel Larvadain earned a Bachelor of Science degree in Unified Public Safety Administration, with a concentration in Law Enforcement Administration from Northwestern State University. Her dedication and commitment to her profession have earned her numerous commendations and awards, including the Professional Excellence Award, Unit Citation Award, NOBLE Award, and Meritorious Service Award. She has also completed the FBI LEEDA's three-phase Leadership Institute Training and received the Trilogy Award. 

Lt. Colonel Larvadain is an esteemed member of various professional organizations, including the National Association of Women Law Enforcement Executives, the International Association of Chiefs of Police, and the National Organization of Black Law Enforcement Executives.