Overview
- Kimberley Mills, 38, pleaded no contest in Lake County court to first-degree murder and aggravated child abuse and received a life sentence.
- As part of the plea agreement, Mills must testify if called in the case against 37-year-old Andre Walker.
- Prosecutors remain committed to seeking the death penalty for Walker, and no trial date has been set.
- Investigators detailed systematic abuse, including beatings, burns, duct-taping to a ladder, and a 10-pound weight dropped on the child.
- Xavier Williams died in March 2025 after nearly a month on life support, and his younger brother is now in their father's care.