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)

David Peilet (left) and Joseph Lopez, attorneys for Drew Peterson, talk after a hearing on Jan. 10 in the Peterson case at the Will County Courthouse in Joliet. | Matt Marton~Sun-Times Media

Cassandra Cales, sister of Stacy Peterson, talks after a hearing in the Drew Peterson trial at the Will County Courthouse in Joliet, IL on Thursday January 10, 2013. | Matt Marton~Sun-Times Media

David Peilet, right, and Joseph Lopez, attorney's for Drew Peterson, talk after a hearing in the Drew Peterson trial at the Will County Courthouse in Joliet, IL on Thursday January 10, 2013. | Matt Marton~Sun-Times Media

Joseph Lopez, an attorney for Drew Peterson, after a hearing in the Drew Peterson trial at the Will County Courthouse in Joliet, IL on Thursday January 10, 2013. | Matt Marton~Sun-Times Media

A van thay may have Drew Peterson inside leaves the Will County Courthouse after a hearing in his case in Joliet, IL on Thursday January 10, 2013. | Matt Marton~Sun-Times Media

Steve Greenberg, one of Drew Peterson's attorneys, before a hearing at the Will County Courthouse in Joliet on Jan. 10, 2013. | Matt Marton~Sun-Times Media

Joseph Lopez, an attorney for Drew Peterson, after a hearing in the Drew Peterson trial at the Will County Courthouse in Joliet, IL on Thursday January 10, 2013. | Matt Marton~Sun-Times Media

Cassandra Cales, sister of Stacy Peterson, talks after a hearing in the Drew Peterson trial at the Will County Courthouse in Joliet, IL on Thursday January 10, 2013. | Matt Marton~Sun-Times Media

Edward Burmila, the judge in the Drew Peterson trial arrives at the Will County Courthouse for a court appearance in the case in Joliet, IL on Thursday January 10, 2013. | Matt Marton~Sun-Times Media