Three men and one woman were killed and at least another 13 wounded in shootings throughout the city late Friday and early Saturday.
A man was killed when a pickup truck struck the vehicle he was driving late Saturday in the Gresham neighborhood.
Police are searching for a 13-year-old boy from the Gresham neighborhood who has been missing since Thursday evening.
A man was killed by a masked man who shot him in a gangway Friday, then stood over his body and kept on shooting.
Chicago police were investigating the death of a woman whose body was found in a Gresham neighborhood alley on Wednesday.
He asked woman to drive him to a hospital.