Bristol Township police are investigating the death of 9-year-old Lex Heinisch, who was found unresponsive at his home in the 900 block of Dixon Avenue in Croydon on Tuesday, January 21, 2025. Emergency responders arrived shortly before 8 p.m. and transported Lex to Lower Bucks Hospital, where he was pronounced dead. The Bucks County Coroner’s Office performed an autopsy on Wednesday morning; however, the cause and manner of death are pending, according to First Deputy Coroner Kristina Johnson. In a letter to parents, the Bristol Township School District indicated that…