Brian Keith Griffin pleaded guilty in Harrison County after police said he called 911 and admitted killing Tammy Bogue in the apartment they shared.
MARSHALL, Texas — A Harrison County judge sentenced Brian Keith Griffin to 30 years in prison after Griffin pleaded guilty Thursday to murdering his mother, Tammy Bogue, in a November 2024 stabbing inside the Marshall apartment they shared.
The sentence closed a case that had moved from a same-day arrest to a grand jury indictment and then to a negotiated plea in district court. Prosecutors said Griffin admitted killing Bogue after officers arrived at the apartment on Norwood Street, and local reporting said the plea spared the family a trial that could have turned on mental health testimony. The immediate effect was simple and severe. A murder case that once carried a possible sentence up to 99 years ended with a 30-year prison term, credit for time already served, and no jury trial.
The case began just after midday on Nov. 27, 2024, when Marshall police dispatchers received a report of a stabbing at a residence in the 2700 block of Norwood. Officers arrived to find that the caller had stabbed a relative, according to the first public police account. The victim was pronounced dead at the scene, and officers took Griffin into custody on a murder charge that same day. Later reporting identified the victim as Bogue, 55, and said Griffin had called 911 on himself shortly before 12:45 p.m. The public timeline then moved in steady steps. A Harrison County grand jury indicted Griffin in February 2025, and on Thursday he stood before 71st Judicial District Judge Brad Morin, pleaded guilty to one count of murder, and received a 30-year sentence in short order.
Police records described the core evidence in direct terms. In a probable cause statement quoted by later reports, investigators said Griffin admitted during a custodial interview that he stabbed his mother multiple times and meant to kill her. That admission made the basic question of who attacked Bogue far less disputed than other issues raised in court. At the sentencing hearing, Griffin said he had been treated for mental illness in the past and acknowledged one earlier suicide attempt, but he also said he was not insane on the day of the killing. His lawyer said he had been found competent to stand trial. Even with those details on the record, several parts of the case remain unclear in public accounts. Authorities have not publicly laid out a detailed account of what happened inside the apartment before the 911 call, what sparked the attack, or how long Bogue lay injured before officers reached her.
The case also unfolded against a family history that made the courtroom statements more pointed. Bogue’s obituary described her as a mother, grandmother, sister and friend whose family had already lived through earlier losses, including the deaths of her husband and a daughter before her own death. Those details did not answer the legal questions in the case, but they helped explain the force of the grief heard at sentencing. Public reporting showed that Bogue and Griffin were living together in the Marshall apartment where the killing happened. Marshall is a small East Texas city near the Louisiana line, and the case drew attention first as a local breaking news story and then again when the plea brought it back into public view more than a year later. By then, the record had narrowed to a few hard facts: a mother was dead, her son had admitted the stabbing, and the court had to decide how to weigh punishment, mental health history and the wishes of the surviving family.
The plea agreement reshaped the final stage of the case. Local reporting said Griffin waived his right to a jury trial and his right to appeal as part of the deal. Under Texas law, murder is generally punished as a first-degree felony, and that means a sentence can run from five to 99 years or life in prison. Prosecutors said Griffin had faced as much as 99 years if the case went to trial. Harrison County District Attorney Reid McCain said the state expected a fight between expert witnesses if that happened, an indication that mental health evidence would likely have taken center stage. Instead, the plea fixed the outcome at 30 years. KLTV reported that Griffin received credit for time already served since his arrest in November 2024. With the sentence imposed, the trial phase is over, no jury will hear the evidence, and the case now moves from the courthouse to the prison system.
The most emotional moments came from the people left behind. One family member told the court that the family’s hearts were shattered and said they prayed Griffin felt remorse for what he had done to his mother. Another relative, identified in later reporting as Bogue’s sister, rejected any effort to frame the killing as a tragedy alone. She called it a betrayal of trust and said Bogue deserved to grow old and keep loving the people around her. Her words also made clear that the family saw the case as a double loss. They had lost Bogue to the killing, and they had also lost Griffin to the act that sent him to prison. McCain struck a different tone when he described the family as cooperative and said they still loved Griffin while also believing he had to be held accountable. Those two currents, grief and accountability, ran side by side through the end of the case.
As of Sunday, the public record showed the criminal case had reached its endpoint in district court. Griffin had pleaded guilty, the judge had imposed a 30-year sentence, and the plea deal removed the need for a trial. The next milestone is no longer a hearing date. It is the long prison term now set in motion.
Author note: Last updated April 5, 2026.