Latoya Tilson , 33 , was reportedly hit in face during fight on Monday night . She took out .25-caliber gun and fired several times into the feuding crowd . But while one bullet struck a boy , 17 , other hit her 15-year-old son , Pierre . Pierre rushed to hospital with gunshot wound to head ; he died on Saturday . Mother fled scene , but was later arrested at home in College Park , Georgia . Tilson was arrested on a number of charges , including aggravated assault . Charges will likely be updated following high school student 's tragic death . Pierre was 'trying to protect sister , 13 , from other boy when fight started '
Latoya Tilson , 33 , was reportedly hit in face during fight on Saturday night . She took out .25-caliber gun and fired several times into the feuding crowd . But while one bullet struck a boy , 17 , other hit her 15-year-old son , Pierre . Pierre rushed to hospital with gunshot wound to head ; he died on Monday . Mother fled scene , but was later arrested at home in College Park , Georgia . Tilson was arrested on a number of charges , including aggravated assault . Charges will likely be updated following high school student 's tragic death . Pierre was 'trying to protect sister , 13 , from other boy when fight started '