FORT WORTH, Texas — A medical examiner says a North Texas man was killed when an e-cigarette exploded in his face. The Tarrant County Medical Examiner’s Office reports 24-year-old William Brown of Fort Worth died Jan. 29, two days after a vaporizer pen he was using at an e-cigarette shop in nearby Keller exploded. The medical examiner says shrapnel from the explosion severed his left carotid artery and peppered his skull. A similar incident also killed a Florida man last […]