His 2015 death near Alex Murdaugh's estate became a cold case. Now his mother has raised money for an exhumation and an autopsy. In the wake of Murdaugh's convictions for killing his wife and son, the family of Stephen Smith is making a renewed drive to seek answers in the 19-year-old's death. Smith was found lying in a South Carolina road, the victim of blunt force trauma to the head. Source 5d.