Rennie Alexander was last seen about 8:45 p.m. Thursday in the 2500 block of West Le Moyne, according to an alert from Chicago Police. He is known to frequent the 606 trail.
Alexander is described as a 5-foot-5, 130-pound black boy with brown eyes, black hair and a medium complexion, police said. He was last seen wearing a black jacket, turquoise sweater, gray sweatpants, black and red Fila sneakers and black-rimmed glasses.
