A Kentucky judge whom authorities said was fatally shot by a sheriff last week was remembered Sunday as a pioneer who fought against opioid addiction and favored treatment over jail for low-level drug offenders.

WHITESBURG, Ky. (AP) — A Kentucky judge who was gunned down in his courthouse chambers was remembered for his public service as mourners looked for answers to unravel a mystery still shaking their tiny Appalachian town — why their popular sheriff is behind bars and charged with the slaying.

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