Two days after an early morning ATV crash in which he was not wearing a helmet, a Bristol, Tenn., died from injuries sustained in the incident.According to a Wednesday press release from the Sullivan County Sheriff's Office, Michael Taylor Bowman, 22, passed away on Tuesday afternoon. He had reportedly suffered severe head injuries at approximately 3:30 Sunday morning, when he crashed an ATV in the 800 block of Wyatt Hollow Road.Upon the arrival of officers, both Bowman and his female passenger, Alexis Richardson, 20, of Bluff City, had already been transported to the hospital.