The Brief A 31-year-old West Phoenix man allegedly beat his 76-year-old roommate with a construction helmet following an argument over $50 intended for an electric bill. After suffering severe facial fractures and brain injuries in the April assault, the elderly victim died from medical complications nearly three months later. Police tracked suspect Troy Yazzie to Flagstaff and arrested him on Tuesday, booking him for murder after he allegedly admitted to the fatal attack. A 31-year-old Phoenix man has been charged with murder after police say he brutally beat his elderly roommate with a construction helmet during an argument over unpaid utility money, leading to the victim's death months later. According to court records, the 76-year-old victim died on July 11 due to severe medical complications stemming from extensive blunt force trauma.