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Drew Walter Peterson is a retired Bolingbrook, Illinois police sergeant who was convicted in 2012 for the murder of his third wife, Kathleen Savio, a few months after their 2003 divorce. Peterson first received national publicity in 2007 when his fourth wife, Stacy Ann Cales Peterson, disappeared. Although the police and Stacy Ann's family suspect foul play, she has never been found. Suspicions in Stacy Ann's case were fueled in part by the death of Savio, whose bruised body was found in a dry bathtub in her home in 2004, with a large gash in her scalp. Initially, Savio's official cause of death was found to be accidental drowning. In 2009, after the attention from Stacy Ann's disappearance, Peterson was indicted for Savio's murder after a second autopsy showed evidence of a struggle. He was convicted of the murder in 2012, and was sentenced to 38 years in prison on February 21, 2013.