Area Central Detectives are seeking the public’s assistance in identifying the above suspect responsible for an Armed Robbery Handgun which occurred on 01 December, 2018 at approximately 11:05p.m. on the CTA Green line train located at 12 E. Cermak Rd. The victims while seated on the train were approached by above suspect who demanded the victims’ cell phones, displaying a dark colored handgun, and then took the victims’ cell phones, fleeing the train.