The Case of the Burglar: Hearing a noise at the back of his house one afternoon, Ed picks up his loaded automatic pistol from a drawer in his desk and goes to investigate, He surprises an 18-year-old male in the act of going through his dresser drawers. The man has no weapon in his hands or in view. As Ed asks what he is doing there, the man runs for the back door. Ed points the gun at his retreating back, fires three shots, and kills him. Is Ed morally justified in killing the man? Why or why not