TULSA, Oklahoma - Police need help finding a teen they say held up a Tulsa convenience store last month.  

Investigators said the teenager robbed a convenience store clerk in the 1200 block of North Osage Drive at about 11:30 p.m. on August 19. They said the clerk had just closed the store. 

Police released surveillance video and a photo showing the teen approaching the employee in the parking lot. They say the teen had a handgun and demanded the victim's wallet and keys. After he got the items, he ran away.  

The employee wasn't hurt.

If you recognize the teenager, police ask you to call Crime Stoppers at 918-596-COPS.