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VIVIAN, Louisiana (DailyKenn.com) — Marc Tyler Brock, a 25-year-old police officer known in his tight-knit hometown for his dedication as a mentor and coach, was fatally shot in the line of duty while serving an arrest warrant, leaving the Vivian community reeling from the loss of one of its own.
The incident unfolded on the evening of Nov. 14 in the 1700 block of North Pine Street, a quiet residential area in this small Caddo Parish town near the Texas border. Brock, part of a six-officer team from the Vivian Police Department, was assisting in executing a warrant for 58-year-old Nicholas Edward Alexander, who faced charges of cyberstalking. As officers approached the front door around 5:30 p.m., Alexander allegedly fired multiple rounds through the closed door without warning, striking Brock in the upper body.
Radio traffic captured the chaos that followed. An urgent call crackled over emergency channels: "Officer needs assistance." Fellow officers rushed to Brock's aid, applying pressure to his wounds as they dragged him to safety. He was airlifted to North Caddo Medical Center in Vivian, where he succumbed to his injuries later that evening. No other officers were harmed in the initial exchange.
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Alexander barricaded himself inside the home, sparking a tense standoff that drew in SWAT teams from the Caddo Parish Sheriff's Office and surrounding agencies. For more than two hours, negotiators attempted to de-escalate the situation amid fears of further violence. At approximately 9:10 p.m., Alexander emerged unarmed and surrendered peacefully. He was evaluated by emergency medical personnel on site, found unharmed, and transported to the sheriff's office for questioning.
Investigators described the shooting as an ambush, with shell casings recovered from the scene supporting accounts of gunfire erupting from within the residence. While no direct witness statements from bystanders have been publicly detailed, law enforcement sources noted the rapid response prevented potential escalation. Alexander was booked into Caddo Correctional Center on charges of second-degree murder and the original cyberstalking offense. He remains in custody without bond as the investigation continues, with authorities reviewing ballistic evidence and surveillance footage.
The tragedy has cast a profound shadow over Vivian, a community of about 3,500 where Brock grew up, played football at North Caddo Magnet High School and served as a devoted family man. His cousin, Troup Police Chief Shawn Murry, shared a heartfelt tribute, saying Brock "gave his all" and that the outpouring of support reflects his impact as a "mentor, a coach... and a dedicated law enforcement officer." Murry emphasized the daily risks officers face, noting Brock's ultimate sacrifice in pursuit of justice for victims.
Sheriff's office spokesperson Brittany Bates called it "a devastating day for all area law enforcement families and the entire Vivian community," praising Brock's "honor, courage and compassion." Social media flooded with prayers and remembrances, with residents posting blue lights in windows and messages of solidarity. A procession of hundreds of law enforcement vehicles escorted Brock's body from the funeral home to the high school stadium on Nov. 22, where services drew mourners from across Louisiana and Texas. In lieu of flowers, donations poured in to support his family, the local athletic association and the police department.
Brock's death marks the first line-of-duty fatality for the Vivian Police Department in decades, underscoring the perils of routine calls in rural policing. As the town begins to heal, officials vow to honor his legacy through enhanced officer safety training and community outreach.
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