Overview
- Joseph D. Johnson, 29, was identified by Joliet police and charged with six counts of first-degree murder.
- Victims Joselynn Diaz Garcia, 36, and her 4-year-old son were found unresponsive in the backyard and were pronounced dead at the scene.
- An 8- to 9-year-old boy with special needs was found unharmed inside the home and was taken to a hospital as a precaution.
- Officers located Johnson with a self-inflicted gunshot wound to his ankle and recovered a firearm nearby before transporting him to Loyola Medical Center under police guard.
- Investigators report 911 calls around 6:55 a.m. and witness accounts of a shirtless man near train tracks; the case remains active with requests for video or information from the public.