Former state Trooper Mark Bessner. He faced second-degree murder and involuntary manslaughter charges in the death of a 15-year-old boy killed in an ATV crash in Detroit. Damon Grimes, 15, crashed his all-terrain vehicle into the back of a truck while state police troopers were in pursuit. He died from blunt force trauma to his head. State police said a trooper broke protocol by firing his Taser out the window of the moving patrol vehicle. Grimes was shocked before he struck the truck. Grimes died at a hospital. Witnesses said the trooper pulled close to the ATV and fired his Taser during the chase, and they believe it might have caused Grimes to crash. Witnesses also said the teen was trying to get onto the sidewalk when he hit the pickup truck.