and...
"Troyer claims the Pierce County Medical Examiner found no blows to Hillstrom's head. However, the Medical Examiner's Office said the autopsy is not complete."
Maybe he died of an overdose. You'd have to beat someone's arms, legs, and torso with a flashlight for a good long time before you'd cause enough internal bleeding for death to occur.
Challenge accepted...
Police flashlights are very heavy. I can imagine that they could be a worthy weapon.