Mary Stone Prestito, a 39-year-old Caucasian woman, died on December 21, 1978, in Saint-Clair, Illinois. Investigators found multiple injuries consistent with foul play, and local police treated her death as a potential homicide. No arrests were made immediately after the death and the case remained open while detectives conducted interviews and gathered evidence.

In later years investigators re-examined material as forensic technology advanced, and the family has worked with law enforcement and in the media to keep the case in the public eye.

Did anyone in or around Saint-Clair in 1978 have information about Mary Stone Prestito or the events leading to her death?