SMITH – A Smith County murder suspect has committed suicide. State prison system K9s have found the body Robert Melvin Galbraith, 63, of Tyler. It was found in a wooded area behind his home on County Road 2122. He is said to have died from a gunshot wound to the head. He had been named in an arrest warrant for the murder of Justin Ray Alec Cross, 18, of Holly Lake Ranch. His body was found Monday night on County Road 2122, off Old Omen Road between Highway 110 and Highway 64. Sheriff’s deputies had gone there Monday night after getting reports of shots fired in the area.