Stines, 43, shot District Judge Kevin Mullins, 54, on Thursday afternoon after an argument inside the Letcher County Courthouse in Whitesburg, Kentucky.Start the day smarter. Get all the news you need in your inbox each morning.

A judge was fatally shot in his chambers by a local sheriff after an argument at a courthouse in Whitesburg, Ky., on Thursday, state police say. District Judge Kevin Mullins, 54, was pronounced dead at the scene.

Letcher County Sheriff Shawn M. Stines, 43, was taken into custody at the scene without incident, police said. He was charged with one count of first-degree murder.