The 15-year old girl shot with her mother in Romeoville Thursday died Saturday.
Brianna Valle and her 33-year-old mother were shot getting into a car outside their home.
Police say the gunman was the girl’s former boyfriend Erick Maya.
The Cicero native was charged with attempted murder and unlawful use of a weapon
Court documents reveal Maya has a history of criminal behavior and that he previously threatened to kidnap and rape the girl.