An East Garfield Park lady allegedly stabbed her 5-year-old daughter to dying as her 8-year-old daughter witnessed the bloodshed and later attempted to forestall the homicide. The older woman pulled her mom’s hair in try to interfere in what Cook County Judge Mary Marubio described as a “brutal and vicious” assault. But she used to be too overdue and couldn’t save Serenity Arrington, prosecutors mentioned. The 8-year-old woman later instructed her maternal grandfather that “mommy killed her little sister,” Assistant State’s Attorney James Murphy mentioned. The sisters were within the room in their mom — Simone Austin — Saturday morning, when Austin requested her older daughter to depart, Murphy mentioned. The older daughter left however then stood out of doors the door,