The incident happened March 13 in the 2100- block of West 68th Street. Police say he forced the victim into an alley at gunpoint and sexually assaulted her. He suspect is described as standing between 5-foot-10 and six feet tall, weighing 130 to 140 pounds. He was last seen wearing a black pea coat, black pants and white gym shoes.
Anyone with information should call Chicago Police.
