The suspect was sacked from the Southaven, Mississippi store one day earlier for allegedly pulling a knife on a customer, CBS affiliate WREG reports. A massive police presence surrounded the store Tuesday morning, with a large part of the parking lot blocked off by yellow crime tape.
Police in Southaven, Mississippi, are investigating the incident on the 6800 block of Southcrest Parkway, near I-55 and Goodman Road.
When officers arrived, they found the suspect outside in the parking lot.
Two Walmart employees were reportedly killed Tuesday morning when a disgruntled former coworker allegedly opened fire at the store. Legan was shot dead by police officers who were working at the festival. The suspect is undergoing surgery at a local hospital. That person's condition is unknown.
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The suspect has been identified as a disgruntled employee who had a personal grievance with a manager, Southaven Mayor Darren Musselwhite said, but their name was not released. According to WREG, the employee was suspended on Monday after pulling a knife on a customer, though authorities declined to comment on the allegation to The Daily Beast.
The Shelby County Sheriff's Office Bomb Squad confirmed to The Daily Beast officers responded to reports of a suspicious package inside the store.
Moore said about 60 employees were inside the store when the shooting occurred.
Police Chief Macon Moore said two employees were at work when they were killed. One witness, Phil Cox, told the Commercial Appeal that he thought the suspect "was going after employees". The station also reports that a police officer was wounded during the shooting. Localmemphis.com reports the officer was hit in his bullet proof vest and is being treated but is doing well.