05/24/2012 02:52 pm ET

Emergency Motion Filed in Drew Peterson Murder Case

An emergency motion to "limit electronic communication" was filed Wednesday in the Drew Peterson murder case and could be argued during a hearing Friday.

The motion was impounded—its contents kept secret from the public and press.

Peterson, a 58-year-old disgraced former Bolingbrook cop, faces charges he killed his third wife, Kathleen Savio. He is also the sole suspect in the investigation of the disappearance of his fourth wife, Stacy Peterson, but faces no criminal charges in that matter.

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