Vacca family lawyer on target of gun range lawsuit
Two years ago, a 9-year-old girl accidentally shot and killed instructor Charles Vacca with an Uzi gun at an Arizona shooting range. Marc Lamber, representing the Vacca children who are suing the shooting range, tells CBS News why his clients are calling on lawmakers to pass a law that would prohibit children from possessing or firing assault weapons or machine guns. See the Vacca family's petition to lawmakers.