At 12:04 a.m., the son of a Chicago police officer was killed and another man was seriously wounded in the Wrightwood neighborhood on the Southwest Side. Arshell Dennis III, 19, and the other man, 20, were sitting outside a house in the 2900 block of West 82nd Street when someone approached and fired shots. Dennis was shot in the chest, and he was pronounced dead at 12:45 a.m. at Little Company of Mary Hospital, according to the Cook County medical examiner's office. The 20-year-old man was shot in the arm and chest and taken to Advocate Christ Medical Center in serious condition.