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JOLIET, IL - MAY 21:  Former Bolllingbrook, Illinois police offcer Drew Peterson (R) leaves the Will County Jail with his attorney Joel Brodsky after posting bail for a felony weapons charge May 21, 2008 in Joliet, Illinois. Peterson is a supect in his fourth wife's disappearance and has been questioned about the murder of his third wife.  (Photo by Scott Olson/Getty Images)
JOLIET, IL - MAY 21:  Former Bolllingbrook, Illinois police offcer Drew Peterson (R) leaves the Will County Jail with his attorney Joel Brodsky after posting bail for a felony weapons charge May 21, 2008 in Joliet, Illinois. Peterson is a supect in his fourth wife's disappearance and has been questioned about the murder of his third wife.  (Photo by Scott Olson/Getty Images)

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Illinois vs. Drew Peterson: July 31

Vinnie Politan previews the Illinois vs. Drew Peterson case, coming to "In Session" on July 31.

Illinois vs. Drew Peterson: July 31

Vinnie Politan previews the Illinois vs. Drew Peterson case, coming to "In Session" on July 31.