 Four people have died, another nine were wounded in a shooting at an Alabama nightclub. Birmingham police say one gunman opened fire into the nightclub on Saturday night. Three people were killed on scene, another died later at the hospital. Authorities say they're working to determine what led to the shooting and to locate the shooter. Bring your cash, bring your credit or debit card, but Target shoppers can now leave their checkbooks at home. Larry Kofsky reports.