An Atlantic City juvenile arrested in an armed robbery last year is now being tried as an adult. BreakingAC.com reports Shadeem Dixon was 15 years old when he was arrested May 7, after he allegedly threatened a gas station attendant with a gun and then fled with two others. The incident happened on the 2000 block of Atlantic Avenue when a teen in a vehicle, later identified as Dixon — displayed a silver or gray handgun toward a worker there. Police say they later found a gun in Dixon’s possession.