From the article:
The 15-year-old boy was charged with one count of aggravated battery/discharge of a firearm, according to a police News Affairs statement.
The teen was playing basketball with a group of boys April 12 in the Altgeld Gardens Playlot in the 13200 block of South St. Lawrence Avenue when there was a disagreement over a bet, police said. The boy pulled a handgun and began shooting — accidentally striking the girl.
Every gun in the hands of a child must first pass through the hands of an adult.She was taken to MetroSouth Medical Center in Blue Island about 7:10 p.m., News Affairs Officer Veejay Zala said. She suffered a graze wound to the right thigh and was treated and released.