Stacy Ann Peterson, 23, vanished from her Bolingbrook, Illinois, home on October 28, 2007. A mother of two and a nursing student at Joliet Junior College, she was scheduled to help her sister that day but never arrived. Her husband, Bolingbrook police sergeant Drew Peterson, said he last spoke to her by phone the evening she disappeared and later reported finding her car at a nearby airport, which he drove home; he did not report her missing until the next day, a delay investigators found suspicious.

No signs of a struggle were found in the home, and Stacy left no note or other communication. Friends and family said she would not have willingly abandoned her children. Searches of the Peterson residence followed and items were removed as evidence. Authorities re-examined the 2004 death of Drew Peterson’s third wife, Kathleen Savio; after Stacy disappeared Savio’s body was exhumed, a second autopsy indicated a struggle, and Savio’s death was reclassified as a homicide. A week and a half after Stacy was last seen, police announced they believed she was the victim of foul play and named her husband as a suspect in her presumed homicide. Stacy’s body has never been found and her whereabouts remain unknown.

Did anyone in Bolingbrook know Stacy’s routine or recall seeing her on October 28, 2007?