District Judge Kevin Mullins was shot inside the Letcher County Courthouse. Kentucky State Auditor of Public Accounts Allison Ball confirmed Mullins was the shooting victim in a post on social media.

Judge Kevin Mullins, 54, was fatally shot in a courthouse at Whitesburg, Kentucky, on Thursday afternoon, according to Kentucky State Police.

Kentucky State Police are searching for motive as they investigate the fatal shooting of a district judge by a sheriff after the two had an argument inside the judge’s chambers, according to police.