Fourth XXXTentacion Murder Suspect Arrested The fourth and final suspect in the XXXTentacion murder case has now been arrested. 20-year-old Trayvon Newsome is thought to be one of the trigger-men in the murder and is being booked on two charges -- murder in the first degree and robbery with a deadly weapon. According to the Broward County Sheriff's Dept., Trayvon turned himself in through his lawyer.