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.

Investigators are trying to determine why a Kentucky sheriff allegedly shot and killed a district judge after they argued inside the judge’s chambers, according to Kentucky State Police. District Judge Kevin Mullins,

We will continue to monitor this situation. Out of respect for the ongoing investigation, we are unable to share further details. We are committed to supporting law enforcement in their efforts and will avoid any actions that could impede their important work.