Drew Peterson tries to block evidence in new trial

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CHESTER, Ill. — Drew Peterson is turning to a new legal tactic to try to derail a trial that could cost him 60 years in prison.

Peterson is already serving 38 years for murdering his third wife, Kathleen Savio. He still faces trial for an unsuccessful plot to murder his prosecutor, James Glasgow.

But Peterson’s lawyers say there are irregularities in court-approved wiretapped conversations, so those recordings should be declared inadmissible as evidence.