(Fort Wayne - WANE) Police hope you can help them catch the man who beat up a 77-year old store clerk during a robbery this past Saturday.

A surveillance camera captured the robbery and beating on tape. It shows the robber coming into the GNC store on Dupont Road at about 9:45 p.m. The robber begins beating Gerald Schwartz and then threatens him with a knife before Schwartz is dragged into a bathroom. A short time later, the attacker pulls Schwartz out of the bathroom so he can open the cash register.

The robber is believed to be about 5' 11" tall with no facial hair.

Despite the beating, Schwartz didn't suffer any severe injuries.

If you have any information that could help police capture this guy, call CrimeStoppers at 436-STOP.