Police arrested a Summerville teenager on Sunday after a shoplifting incident at a local convenience store.  Police say that seventeen-year-old Jordan Grady Roan came inside the Circle K on Commerce Street and stole a beer.  Video surveillance at the store show the teenager putting a 16-oz. Michelob Ultra down his pants and fleeing from the store, according to police.  When police approached Roan, he admitted to having drank the beer. Roan was charged with theft by shoplifting and underage consumption of alcohol.