On May 20, 2009, the body of a female was found along the Des Plaines river. Authorities were not able to confirm the identity of the woman immediately. The body was scheduled for an autopsy the next morning. The family of Stacy Peterson was notified by state police. There is speculation that the body may be Peterson's or Lisa Stebic, who also disappeared in 2007.Chicago Sun-Times: Autopsy Scheduled for Body Found on Shore (May 21, 2009)

1. Born: 1984
2. Residence: Bolingbrook, Illinois
3. School: Joliet Junior College
4. Spouse: Drew Peterson
5. Children: Lacy, age 3, and Anthony, age 4 (at the time she disappeared)
6. Last seen: October 28, 2007
7. Age at Disappearance: 23
8. Height: 5'2"
9. Weight: 100 lbs.
10. Hair color: Brown
11. Eye color: Brown
12. Family tip line: 866-847-5143
13. Illinois State Police tip line: 815-740-0678
14. Mother, Christie Cales, has been missing since 1998
15. Drew Peterson's third wife, Kathleen Savio, died in bathtub in 2004
16. Drew Peterson was charged with Savio's murder in May 2009

• March, 2004: Kathleen Savio, Drew Peterson's third wife, dies in bathtub; death ruled accidental
• October 28, 2007: Last call to relatives
• November 9, 2007: Police declare Drew Peterson official suspect in disappearance
• November 10, 2007: Stacy Peterson's minister says Stacy told her Drew admitted to killing Savio
• November 13, 2007: Kathleen Savio's body exhumed from grave
• January 26, 2008: Police say decomposed body found in nearby river not that of Stacy Peterson
• February 21, 2008: Savio's death ruled homicide
• June 1, 2008: Police report seizure of bathtub where Savio found dead
• May 7, 2009: Drew Peterson arrested for the murder of Savio