Drew Peterson

Security is tight as the Illinois Department of Corrections van carrying Drew Peterson arrives at the Randolph County Courthouse in Chester, Ill., on May 23, 2016.

Drew Peterson shows up outside Fox television studios on North Michigan Avenue for an interview in 2008.

Will County State’s Attorney James Glasgow holds a news conference outside the county courthouse in Joliet after the 2012 murder conviction of Drew Peterson for the death of Kathleen Savio.

Will County State’s Attorney James Glasgow speaks to the media outside the county courthouse in 2012.

Drew Peterson in the courtroom after a guilty verdict was reached. Peterson was sentenced to 38 years for the murder of his third wife, Kathleen Savio.

Drew Peterson listens to the proceedings during jury selection for his 2012 trial at the Will County Courthouse in Joliet.

Drew Peterson walks out of the Will County Courthouse in Joliet toward a waiting van in 2010. Peterson was convicted of the murder of an ex-wife and is suspected in the disappearance of his missing fourth wife.

Will County State’s Attorney James Glasgow, center, and his deputy Ken Grey, left, arrive at the Will County Courthouse in Joliet on the first day of the Drew Peterson trial in 2012.

After a 2008 pretrial hearing, Drew Peterson, center, listens as his attorneys Joel Brodsky, left, and Andrew Abood explain a favorable ruling.

Drew Peterson is escorted out of the Will County Courthouse in Joliet in 2009 after his arraignment was postponed because his lawyers were absent.

The gravesite of Kathleen Savio in 2007 at Queen of Heavens Cemetery in Hillside, before her remains were exhumed.

Drew Peterson talks with the media in front of his Bolingbrook home after returning from a second appearance on NBC’s “Today” show in 2007.

A sign in front of Sharon Bychowski’s home, left, and near Drew Peterson’s home, right, in Bolingbrook announces a fundraiser to support a continued search for Stacy Peterson.

Drew Peterson clears snow from his driveway in Bolingbrook in 2008.

Drew Peterson, with some of the stories written about his current life, in his Bolingbrook home in 2009.

Joel Brodsky, left, lead attorney for Drew Peterson, right, laugh as they banter with a reporter as the group leaves the Will County Courthouse in 2008.

Drew Peterson walks outside his home on in 2007. Peterson recorded members of the media as they recorded him.

Drew Peterson, husband of the missing Stacy Peterson, talks with the media in front of his Bolingbrook home on in 2007.

Drew Peterson talks with the media outside his Bolingbrook home in 2008.

Searchers walk the marshy fields surrounding Whalon Lake in the Will County Forest Preserve in 2007. Family, friends and supporters set out to search for 23-year-old Stacy Peterson, who had been missing for a week.

Bolingbrook police Sgt. Drew Peterson comes outside for a few seconds before running back into his home. State police and detectives were investigating there after the disappearance of his fourth wife, Stacy.

Joel Brodsky, former attorney for Drew Peterson, leaves after testifying during Peterson’s sentencing hearing at the Will County Courthouse in Joliet in 2013.

A flier is left behind as friends and family of Stacy Peterson search Knoch Knolls Park in Naperville on Nov. 3, 2007.