A group of people in Fort Worth stoned a gunman to death after a shooting killed one and injured two others. One person died in the shooting and two others were hurt, but are expected to survive. The crowd then started throwing gardening stones and killed the gunman. It's not clear what exactly led up to the shooting. Police have only said it started with some kind of disturbance. Police also say the people involved all knew each other. At this point no names have been released of those involved in the incident.