VIVIAN, La. - A Vivian police officer was shot and killed Friday evening, according to the Caddo Parish Sheriff's Office. KTBS 3 News learned Saturday morning that his name is Marc Brock.

The Vivian Police Department responded to a home in the 1700 block of North Pine Street to serve a warrant for cyberstalking to Nicolas Alexander, 58.

CPSO says when officers arrived, multiple shots were fired through the closed door injuring one of the officers.

Brock was transported to North Caddo Medical Center, but later died.

Alexander barricaded himself inside the home after the shooting, later surrendering to police after a two hour standoff.

Alexander has been charged with second-degree murder and cyberstalking. He has been booked at the Caddo Correctional Center.

Brock was a nonfaculty coac

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