District Attorney Collin Sims reports that on Monday, February 2, 2026, 27-year-old Marrio Haynes, Jr. of Covington, Louisiana was sentenced to life in prison plus an additional 60 years following his conviction for the 2023 murder of 23-year-old Juwarren Martin. The sentencing took place in Division J before the Honorable Vincent J. Lobello.
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In a packed courtroom, Judge Lobello handed down the following sentences:
- Second Degree Murder – Life imprisonment at hard labor without the benefit of parole, probation, or suspension of sentence.
- Obstruction of Justice – 40 years at hard labor.
- Possession of a Firearm by a Person Convicted of Certain Felonies – 20 years at hard labor.
Judge Lobello ordered the sentences for Counts 2 and 3 to run consecutively to the life sentence, effectively totaling Life plus 60 years. During the proceedings, Judge Lobello addressed Haynes directly, stating, “You have zero remorse for what you did. It was the most cowardly act that I’ve seen.”
The sentencing was marked by emotional testimony from the family of Juwarren Martin. One family member spoke to the lasting void left by the defendant’s actions, noting that Martin’s son must now grow up without a father. “You’re a coward,” the family member told the defendant. “Your life had potential and you threw that away – nobody else but you.” Another family member also addressed the court, expressing her disdain for the defendant’s lack of sympathy throughout the trial. Haynes declined to make a statement before the court.
The sentencing follows a guilty verdict returned by a St. Tammany Parish jury on January 8, 2026. The evidence presented at trial by Assistant District Attorneys Tiffany Dover and Shelby Stoop detailed a “deadly ambush” on December 26, 2023.
Following a verbal grievance involving Haynes’ girlfriend, Megan Ayanna Coleman, and the victim’s sister, Haynes sought out Martin at a gas station in Lacombe. Armed with an AR-15 style rifle, Haynes approached Martin from behind and fired a single fatal shot into his torso. Haynes, a previously convicted felon, was later apprehended by the U.S. Marshals Service in Kentwood, Louisiana.
“Today’s sentence ensures that Mr. Haynes will never again be a threat to the peace and safety of our community,” said District Attorney Collin Sims. “This was a calculated, cold-blooded execution of a young man. While no amount of time can return Juwarren to his family, we hope this life sentence provides them with the justice they deserve. My office remains committed to holding violent offenders fully accountable for their actions.”
The co-defendant in this matter, Megan Ayanna Coleman, is charged with Principal to Second Degree Murder and Obstruction of Justice. Her trial is scheduled to begin in April 2026. She is presumed innocent until proven guilty.
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