Investigation continues into shooting spree that left 2 dead, including trooper

PRAIRIEVILLE, La. (WAFB) - Louisiana State Police said it is working closely with several area, state, and federal agencies to investigate a multi-parish deadly shooting spree that resulted in two deaths, including a state trooper.

Troopers added three other victims suffered critical injuries.

They said Matthew Mire, 31, was taken into custody shortly after 10 p.m. on Saturday, Oct. 9, after a daylong manhunt by numerous law enforcement agencies. They added Mire was taken into custody without incident and then taken to a hospital for injuries he sustained from a K-9 bite and suspected self-inflicted gunshot wound to the leg. There is no mugshot for the suspect because law enforcement has not taken his photo since he has not yet been booked into prison.

It is believed Master Trooper Adam Gaubert, a 19-year veteran of LSP, was ambushed by Matthew Mire as he sat in his patrol unit.

According to LSP, the investigation so far shows Master Trooper Adam Gaubert, a 19-year veteran of LSP, was ambushed by Mire as he sat in his fully marked patrol unit. Investigators said the ambush occurred not far from the shooting on Dutton Road that happened overnight into the early morning hours of Saturday. The other person believed to have been killed by Mire was identified as Pamela Adair.

A relative of one of the victims in the Ascension Parish double shooting provided new details.

Troopers explained Mire is a person of interest in multiple shootings in several parishes. They said after the shootings, Mire was involved in a chase where he fired a weapon at the pursuing state trooper. They added the trooper exchanged gunfire with Mire during the incident and was not injured.

Louisiana State Police identified a trooper believed to have been killed by the suspect in a multi-parish crime spree and confimed the suspect is in custody.

Officials said the search for Mire was a combined effort by Louisiana State Police, Homeland Security Investigations, US Alcohol Tobacco & Firearms, Louisiana Department of Corrections, Ascension Parish Sheriff’s Office, and East Baton Rouge Parish Sheriff’s Office. They added the agencies worked together to search the area near Hoo Shoo Too Road at the Tiger Bend Bridge.

LSP said Mire will face the following charges in Ascension Parish: first-degree murder of a police officer, attempted first-degree murder of a police officer, and aggravated flight from an officer. Officials said he will also face the following charges in East Baton Rouge Parish: attempted first-degree murder of a police officer and aggravated flight from an officer.

A trooper with Louisiana State Police was found dead in Ascension Parish on Saturday, Oct. 9, The Advocate reported it has learned from sources.

Troopers said they are maintaining constant watch over Mire at the medical facility and he will be booked on the warrant charges upon release.

According to investigators, LSP Bureau of Investigations and LSP Crime Lab processed several crime scenes in Ascension and East Baton Rouge parishes related to the shootings involving the troopers.

Officials said Gaubert had served with LSP since 2002 performing patrol duties at Troop A in Baton Rouge and serving as a detective in the LSP Criminal Investigations Division throughout his career. They added he was also a veteran of the US Army. LSP emphasized it will mourn his loss and honor his legacy of service to the department and the citizens of Louisiana.

Adam Gaubert — Adam Gaubert(Wade McIntyre | Gonzales Weekly Citizen)

Arrangements for Gaubert are not finalized but he will be afforded full honors earned with a line of duty death. Further information on services will be announced when available.

Louisiana State Police said it has received inquiries about donations to Gaubert’s family.

How you can donate:

Visit https://latroopers.org/about-lsta/louisiana-troopers-charities or https://www.paypal.me/LSTALTC
Check: Made payable to Louisiana Troopers Charities with Gaubert Family in the memo line and sent to our office at 8120 Jefferson Highway Baton Rouge, LA 70809.- Phone: Contact us at 225.928.2000 for personal assistance or to facilitate a credit card donation.

Louisiana State Police posted the following message on its Facebook page Saturday, Oct. 9:

With a heavy heart, Louisiana State Police is announcing the death of Master Trooper Adam Gaubert who was killed in the line of duty.
Trooper Gaubert, a 19-year veteran of our department, was ambushed while in his patrol unit.
Preliminary information indicates that Trooper Gaubert was shot and killed in the area in which an early morning Homicide occurred. The suspect, 31-year-old Matthew Mire, was taken into custody this evening shortly before 10pm without incident.
Trooper Gaubert embodied everything we stand for; honor, duty, selfless service, and courage. In the days ahead, we will mourn his tragic death and honor his service to our department and the citizens of Louisiana.
At this time, we ask that you please respect Trooper Gaubert’s family’s privacy.
Thank you for your patience and understanding while we work to maintain the safety of our citizens and fully investigate all aspects of this incident.
Please keep our Troopers and Trooper Gaubert’s family in your prayers.

Gov. John Bel Edwards issued a statement Sunday morning offering condolences for the trooper’s death:

Master Trooper Adam Gaubert dedicated his long career with the Louisiana State Police to protecting the people of our state and it is with a heavy heart that I mourn his death from injuries sustained in the line of duty on Saturday. He served selflessly and courageously to keep our people and our communities safe, and he represents the best of all us.
Please join Donna and me in praying for Trooper Gaubert and his family, his friends and the many people whose lives he touched. Our thoughts are also with the Louisiana State Police family, as it has lost a dedicated and loyal teammate and a brother.
Preliminary information indicates that Trooper Gaubert was shot and killed in the area in which an early morning homicide occurred. I am thankful for Louisiana State Police and all law enforcement agencies that worked together to capture the suspect in these homicides. It is my hope that we will have a clearer picture of what happened as the investigation continues and that justice will be served for Trooper Gaubert.
Gov. John Bel Edwards

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The investigation is ongoing.

Tributes have been pouring in for the fallen trooper.

I was deeply saddened to learn of the death of Master Trooper Adam Gaubert, who on Saturday was killed in the line duty as he was ambushed while in his patrol unit. Trooper Gaubert was a dedicated and faithful 19-year veteran of the Louisiana State Police department.
One of the most trying times I have in serving as Speaker of the House is when I hear that one of our police officers has had their life taken needlessly. It's a reminder of the many dangers our officers face every day in responding to calls and putting their lives on the line to protect us. Master Trooper Gaubert will forever be remembered for his courageousness and selflessness in serving the people of our state.
The entire Louisiana House of Representatives grieves the loss of Trooper Gaubert and, our condolences and prayers are with the trooper’s family and colleagues and all of those who were fortunate to know him.
Louisiana House Speaker Clay Schexnayder

Trooper Adam Gaubert, a 19 year Veteran with LSP-A died in the Line of Duty earlier tonight in Ascension Parish after...
Posted by Duane Carpenter on Saturday, October 9, 2021

Adam was the first trooper I ever met while working in law enforcement. Anyone that knew him, knows the lasting...
Posted by Tyler Crawford on Sunday, October 10, 2021

In 2017 I received a Public Service Award along with other first responders, including Master Trooper Adam Gaubert.. We...
Posted by Demerrius Slocum on Sunday, October 10, 2021

Law enforcement has lost one of the great ones in a senseless act of violence. St. Amant and 5th. Ward VFD’s has had the...
Posted by St. Amant Volunteer Fire Department on Sunday, October 10, 2021

Please join Sharon and me in prayer for Louisiana State Police Master Trooper Adam Gaubert and his family! #ThinBlueLine
Posted by Office of the Louisiana Attorney General on Sunday, October 10, 2021

Baton Rouge Police Chief Murphy Paul along with the entire Baton Rouge Police Department would like to send our deepest...
Posted by Baton Rouge Police Department on Sunday, October 10, 2021

Law enforcement has lost one of the great ones in a senseless act of violence. St. Amant and 5th. Ward VFD’s has had the...
Posted by James E. LeBlanc on Sunday, October 10, 2021

Update: "My heart goes out to the family of Master Trooper Adam Gaubert and to the entire Louisiana State Police. Please...
Posted by East Baton Rouge Sheriffs Office on Sunday, October 10, 2021

Please take a moment out of your day to remember Master Trooper Adam Gaubert who was killed in the line of duty yesterday.Please keep the State Police Family and Trooper Gaubert's family in your prayers.
Posted by Assumption Parish Sheriff's Office on Sunday, October 10, 2021

The NOPD offers our condolences to our law enforcement partners at Louisiana State Police on the tragic loss of Master...
Posted by New Orleans Police Department on Sunday, October 10, 2021

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