ST. HELENS, Ore. (AP) — A Washington state man accused of killing the Rainier, Ore., police chief in 2011 is mentally impaired and can’t assist with his defense, a judge ruled Wednesday.

Circuit Judge Ted Grove ordered that Daniel Butts, 23, of Kalama, Wash., be sent to the Oregon state mental hospital to be treated and forcibly medicated until he is fit to return to Columbia County for trial, The Daily News of Longview reported .