CHICAGO (CBS) -- Today marks ten years since the disappearance of Stacy Peterson.
She is the fourth wife of convicted murderer Drew Peterson.
Stacy wanted out of her marriage to Drew when she vanished.
He is serving a 38-year sentence for killing his third wife Kathleen Savio in 2004.
Although her death initially was ruled an accident, authorities reopened the case after Stacy disappeared.
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