THE LAW AGAINST MURDER DID NOT STOP THE MURDERER. THE LAW AGAINST BRINGING A GUN INTO A GUN-FREE ZONE DID NOT STOP THE MURDERER. THE LAW ABOUT A FELON NOT BEING ALLOWED TO OWN A GUN DID NOT STOP THE MURDERER.WHAT STOPPED THE MURDERER FROM KILLING MORE PEOPLE? A GOOD GUY WITH A GUN