Shreveport police are looking for a man accused of pulling a knife on a Wal-Mart employee. Thursday, police released surveillance video of the man shopping in the store in the 1100 block of Shreveport Barksdale. A store employee reportedly saw the suspect stealing dvds. The worker tried to approach the suspect, who then pulled out a knife before running. If you know who the man in the surveillance image on this page is, call Crime Stoppers at (318) 673-7373.