Name: Johnnie Ervin.
Age at death: 67.
Disability: Mobility impairment (Used walker).
Name: Shirley Ervin.
Age at death: 69.
Died: June 18, 2017.
Cause of death: Multiple murder (Stabbed).
Location: Chicago, Illinois, USA.
Shirley and Johnnie were stabbed to death by their son.
Perpetrator: Dexter Barnes (Son), charged with first-degree murder.