Stacy and Drew Peterson November 2003. Stacey was 19 at the time.

Stacy Peterson on Dec. 1, 2006. Submitted photo | Candace Aikin

Tthe Peterson family on a cruise on Sept. 23, 2006. Drew Peterson holding Lacy, and Stacy next to him. Boys (from left) are Kris, Anthony, Tom. Submitted photo | Courtesy Candace Aikin

Drew and Stacy Peterson of Bolingbrook in a casual pose. Stacy was 23 and Drew was 53 at the time this photo was taken. Stacy was reported missing on Oct. 29, 2007 and authorities on Thursday, Nov. 8, 2007, classified the case as a missing person _ not cr

A neighbor talks on the phone next to the home of former Bolingbrook police sergeant Drew Peterson, in Bolingbrook, Ill.,Thursday, May, 7, 2009. Stacy Peterson, his fourth wife, shown in the sign, disappeared in October 2007. Paul Beaty | AP Photo

News media cameras are seen set up outside the home of Drew Peterson, a former police officer in Bolingbrook, Ill., in this Nov. 15, 2007 photo. File photo | AP

Pamela Bosco, Stacy Peterson's adoptive stepmother answers questions from the media Wednesday, Nov. 28, 2007 in Bolingbrook, Ill.. According to media reports at the time that cited anonymous sources, the stepbrother of former police officer Drew Peterson

Pamela Bosco, Stacy Peterson's adoptive stepmother, left, and Sharon Bychowski, close friend and next-door neighbor of Peterson talk to the media outside the home of Stacy Peterson as authorities continue to search for clues in her disappearance, Friday,

Dive teams search the waters of the Chicago Sanitary and Ship Canal as part of their investigation of the disappearance of Stacy Peterson in Lockport, Ill., Wednesday, Dec. 5, 2007. Peterson was last seen at her Bolingbrook home Oct. 28, 2007. File photo

Volunteers helping search for clues to the whereabouts of Stacy Peterson cross a stream in Weigard Riverfront Park in Naperville, Ill., on Monday, Nov. 12, 2007. Peterson of Bolingbrook went missing Oct. 29, 2007. File photo | Sun-Times Media

Angelo Marased, right, and Rernando Arrozal, members of the Illinois Police Reserve search for clues in the disappearance of Stacy Peterson, the 23-year-old missing wife of Bolingbrook Police officer Drew Peterson, with other searchers at a construction s

In this image from video, volunteers search through the Keepataw Preserve in Bolingbrook, Ill., Wednesday, Nov. 7, 2007, for Stacy Peterson, 23, of Bolingbrook, who was reported missing on Oct. 29, 2007. Peterson is the wife of Drew Peterson, a former ser

Law enforcement officers including Illinois State Police and Illinois Department of Natural Resources Conservation Police secure the entrance lane to the Big Hollow Sportsman's Club site in rural Peoria County, Ill. Saturday, June 5, 2010. Investigators

A Illinois State Police investigator prepares to search the home of former Bolingbrook police sergeant Drew Peterson in Bolingbrook, Ill.,Thursday, May 7, 2009. File photo | AP

Cassandra Kales, left, Pam Bosco, and Bruce Zidarich, friends and family of Drew Peterson's fourth wife Stacy Peterson, listen as Will County State's Attorney James Glasgow and Illinois State Police Capt. Carl Dobrich discuss the murder indictment issued today against former Bolingbrook police sergeant Drew Peterson in connection with the death of his third wife, Kathleen Savio in in 2004 at a news conference Thursday, May 7, 2009, in Lockport, Ill. (AP Photo/M. Spencer Green)

Rob Lowe (as Drew Peterson) and Kaley Cuoco (as Stacy Peterson) from the Lifetime channel original movie "Untouchable", based on the book by former Sun-Times Media reporter Joe Hosey.