2 killed, 2 wounded in shooting at Walmart in Mississippi

Southaven, Miss. -- Officials say two people are dead and a police officer and a suspect were shot at a Walmart in the northern Mississippi city of Southaven, a suburb of Memphis, Tennessee. CBS affiliate WREG-TV reports both of the people who died Tuesday morning were Walmart employees. A Southaven police officer and the alleged shooter, a former Walmart employee, were both injured, WREG reported. The station reported that the former employee was suspended on Monday after pulling a knife on a customer. -- More...