Will County State's Attorney James Glasgow (top) addresses the media at the conclusion of day seven of the Drew Peterson murder trial at the Will County Courthouse Thursday, August 9, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

Drew Peterson (left) is on trial in the death of his third wife, Kathleen Savio.

Stacy Peterson

FILE - In this May 7, 2009 file booking photo provided by the Will County Sheriff's office in Joliet, Ill., former Bolingbrook, Ill., police officer Drew Peterson is shown. Peterson is charged with first-degree murder in the 2004 drowning death of his former wife Kathleen Savio. Opening statements in his trial are scheduled to begin Tuesday, July 31, 2012. (AP Photo/Will County Sheriff's Office, File)

Kathleen Savio

Witness Kristen Anderson arrives at Will County Courthouse in Joliet Wednesday, Aug. 8, 2012, to testify in the Drew Peterson trial. | Rich Hein~Sun-Times

Judge Edward Burmila departs at the conclusion of day five of the Drew Peterson murder trial at the Will County Courthouse Tuesday, August 7, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

Will County State's Attorney James Glasgow (left) departs at the conclusion of day five of the Drew Peterson murder trial at the Will County Courthouse Tuesday, August 7, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

Drew Peterson lawyer Joel Brodsky (right) returns from lunch with members of his team at Will County Courthouse in Joliet Wednesday, Aug. 8, 2012 | Rich Hein~Sun-Times

Drew Peterson lawyer Joel Brodsky (center) returns from lunch with members of his team at Will County Courthouse in Joliet Wednesday, Aug. 8, 2012 | Rich Hein~Sun-Times

Drew Peterson lawyer Joel Brodsky (right) returns from lunch with members of his team at Will County Courthouse in Joliet Wednesday, Aug. 8, 2012 | Rich Hein~Sun-Times

Nick Savio, brother of Kathleen, talks to reporters during a break in the Drew Peterson trial at Will County Courthouse in Joliet Wednesday, Aug. 8, 2012 | Rich Hein~Sun-Times

Drew Peterson attorney Joseph Lopez arrives for the start of the Drew Peterson trial at the Will County Courthouse Tuesday, July 31, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

Will County State's Attorney James Glasgow (left) and chief deputy Ken Grey (right) return from lunch break during day seven of the Drew Peterson murder trial at the Will County Courthouse Thursday, August 9, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

Will County State's Attorney James Glasgow (left) and chief deputy Ken Grey (right) return from lunch break during day seven of the Drew Peterson murder trial at the Will County Courthouse Thursday, August 9, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

(From left to right) Steven Greenberg, Joel Brodsky and Joseph Lopez, attorneys for Drew Peterson, address media during lunch break during day seven of the Drew Peterson murder trial at the Will County Courthouse Thursday, August 9, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

(From left to right) Steven Greenberg, Joel Brodsky and Joseph Lopez, attorneys for Drew Peterson, address media during lunch break during day seven of the Drew Peterson murder trial at the Will County Courthouse Thursday, August 9, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

(From left to right) Steven Greenberg, Joel Brodsky and Joseph Lopez, attorneys for Drew Peterson, address media during lunch break during day seven of the Drew Peterson murder trial at the Will County Courthouse Thursday, August 9, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

(From left to right) Darryl Goldberg, Joseph Lopez, Lisa Lopez and Steven Greenberg, attorneys for Drew Peterson, share a laugh during lunch break during day seven of the Drew Peterson murder trial at the Will County Courthouse Thursday, August 9, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

Drew Peterson attorney Joel Brodsky (right) fields a phone call during lunch break during day seven of the Drew Peterson murder trial at the Will County Courthouse Thursday, August 9, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

Will County State's Attorney James Glasgow (top) addresses the media at the conclusion of day seven of the Drew Peterson murder trial at the Will County Courthouse Thursday, August 9, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

Will County State's Attorney James Glasgow addresses the media at the conclusion of day seven of the Drew Peterson murder trial at the Will County Courthouse Thursday, August 9, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

A witness is brought out in a tinted window vehicle from behind a tarp during day seven of the Drew Peterson murder trial at the Will County Courthouse Thursday, August 9, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

A tarp is drawn before a witness is loaded into a tinted window vehicle during day seven of the Drew Peterson murder trial at the Will County Courthouse Thursday, August 9, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

Lawyers for Drew Peterson depart after the conclusion of day seven of the Drew Peterson murder trial at the Will County Courthouse Thursday, August 9, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

Members of the media wait to talk to lawyers at the conclusion of day seven of the Drew Peterson murder trial at the Will County Courthouse Thursday, August 9, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

Steven Greenberg (left), an attorney for Drew Peterson, addresses the media at the conclusion of day seven of the Drew Peterson murder trial at the Will County Courthouse Thursday, August 9, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

Joel Brodsky (center) and (from left to right) Steven Greenberg, Joseph Lopez and Lisa Lopez, attorneys for Drew Peterson, address the media at the conclusion of day seven of the Drew Peterson murder trial at the Will County Courthouse Thursday, August 9, 2012, in Joliet. | Matthew Grotto~Sun-Times Media