The News & Observer is reporting that police are investigating the shooting death Saturday of a man in Johnston County as a homicide and have arrested the man’s stepson. Police say Christopher Ray Whitfield, 50, died of a gunshot wound in what “appears to be the result of a domestic issue.” Officers arrived to find Whitfield’s body Saturday afternoon at a home in the 100 block of Verrazano Place in Clayton in response to a call reporting a shooting.