WATERVILLE, Maine (NEWS CENTER) -- Police in Waterville have arrested 29 year-old Justin Sinclair for allegedly trying to rob a Cumberland Farms.

Police say Sinclair is suspected of walking into the convenience store on 76 College ave Wednesday night around 10:30 p.m. The clerk told police the man was wearing a handgun and was wearing a jacket with a hood and a ski mask. Police say Sinclair walked up to the clerk and demanded money then left quickly.

A witness told police they saw a person run behind an Ace Tire Company on Drummond ave. and throw away what looked like clothing. Officers found the hooded jacket and the ski mask behind the business.

Police say after reviewing surveillance video from Cumberland Farms and Ace Tire they were able to identify the suspect as Sinclair.

This is not the first time Sinclair has been arrested. In September Sinclair was arrested for driving with a suspended license. Police say when they arrested him they found an air pellet gun and ski mask on him but he was not a suspect in any on-going armed robbery investigations.

On Tuesday Sinclair came to the Waterville Police department to get his ski mask and pellet gun. Police say they returned the ski mask but not the gun.

When Police arrested him on Thursday they say he had an air pellet gun on him.

Sinclair is being charged with robbery and being held at the Kennebec County Jail on a $20,000 cash bail.