DETROIT (AP) — The man accused of killing a Wayne State University Police officer has once again been found mentally incompetent to stand trial.

Judge Kenneth King heard testimony from experts Tuesday and said Raymond Durham isn’t able to assist his lawyer.

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Durham is charged with first-degree murder in the death of 29-year-old Collin Rose , who was a sergeant with the Wayne State University police department. Investigators say they found Durham’s DNA on a flashlight discovered at the scene of the shooting in 2016.

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Opinions about Durham’s mental condition aren’t unanimous. Psychologist Alicia Benedict says he had been able to function on the streets by living independently and fixing bicycles.

Durham will continue undergoing mental health treatment.

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