LONGVIEW, Wash. (AP) — A Washington state man accused of a 1986 killing in Longview has been found incapable of assisting in his own defense.

The Daily News reports Judge Stephen Warning determined that 58-year-old Glenn Adams was competent to stand trial but not to aid in his own defense, ordering him to undergo competency restoration treatment at Western State Hospital.

Adams was charged with first-degree murder and first-degree robbery in the death of 54-year-old Russel Lyle Haines at the Oregon Way Hotel.

Adams surrendered to authorities last month, telling police he was responsible for the March 1986 death. The court has deferred a plea pending the competency question.

Cowlitz County Prosecutor Ryan Jurvakainen says court proceedings are effectively "frozen" until the competency issue is resolved.

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Information from: The Daily News, http://www.tdn.com