ABC News report on Stacy Peterson's predecessor:
Nov. 15, 2007
"Kathleen Savio's Sister Said Drew Peterson Allegedly Threatened Woman at Knifepoint
Kathleen Savio, who was found dead in her bathtub in 2004, was the third wife of Bolingbrook Police Sgt. Drew Peterson. State's Attorney James Glasgow has said evidence suggests that someone killed Savio and tried to make it look like an accident. Peterson is a suspect in his fourth wife's disappearance...
"A coroner initially ruled Savio's death an accidental drowning despite the fact there was no water in the bathtub and her hair was soaked from an apparent head wound. Authorities theorized that the water had drained from the tub after her death. Drew was the duty sergeant working the night that her body was discovered..."