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.

A Kentucky sheriff allegedly shot a judge early Thursday afternoon. Here's a look at the motive behind the Letcher County shooting.

A Kentucky police chief walked into a courthouse and shot dead a district judge in his chambers following a dispute, according to US officials. Shawn Stines, the sheriff of Letcher County, Kentucky, surrendered himself after the murder of Judge Kevin Mullins.