Grimes had been driving about 35 mph on an ATV when Bessner — a passenger in a moving patrol car — fired his stun gun at the teen during a chase on Detroit’s east side.Grimes slammed into the back of a parked truck and flew off his ATV. The impact of the crash ripped gashes into his forehead, both cheeks and upper lip and dislocated his skull. Doctors pronounced him dead on arrival at St. John Hospital.
Bessner has a history of using excessive force and has been reprimanded before for using his Taser inappropriately, including using the device on handcuffed suspects. The investigation into Bessner’s conduct shows that over a four-year span ending in 2017, he had 40 use of force incidents, 17 pursuits and five car accidents.