Laws or no laws, anyone with the motive to kill will do, with guns, bombs or other means to destroy lives.  No one can stop a killer from killing . This cowardly act among the innocence will continue as long as man exist . Pray the next time it happens and it will, there would be someone to stop him or her and help save the lives of innocent people ! May all of us learn from this sad episode, embraces and releases in our hearts, the basic goodness in our love for each other!