Drew Peterson 's attorney says the trial should last about a month . The defense is expected to call more than 100 witnesses and present evidence that will be used against them in their closing arguments on Monday. In April , an Illinois appellate court ruled hearsay evidence may be used against Peterson .
Drew Peterson 's attorney says the trial should last about a month . Peterson is charged in the 2004 death of Kathleen Savio , his third wife . In April , an Illinois appellate court ruled hearsay evidence may be used against Peterson .