On September 6, 2012, Drew Peterson was convicted of murdering his third wife, Kathleen Savio, in a landmark case that captivated Chicago. Despite the lack of direct evidence, prosecutors successfully proved Peterson drowned Savio in their bathtub, presenting circumstantial evidence and testimony from witnesses. This conviction marked a pivotal moment in Illinois criminal justice, leading to Peterson's life sentence and establishing precedent for cases relying on alternative evidence when traditional proof is unavailable.

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