(WSB Radio) -- This could be the break terrified Tech-area residents have been looking for: the arrest of three young men police say tried to rob a pedestrian at gunpoint. The suspects are identified as Justin Johnson, and Xavier Mosteller, both 21; and 19-year old Dandre Barnwell. Atlanta Police Sergeant Reginald Moorman says the suspects were armed and very dangerous. "It looks like they were prepared for anything," says Atlanta Police Sgt. Reginald Moorman. The three suspects were arrested early Sunday near the Tech campus. When they were pulled over, Moorman says they had in their car, "a fully-loaded AK-47...