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Sarah Michelle Lunde's confessed killer David Lee Onstott

David Lee Onstott, left, appears in Hillsborough County court, Thursday, April 14, 2005, in Hillsborough County. Onstott, 36, was arrested Tuesday night in nearby Apollo Beach, where authorities say he threatened another man with a screwdriver. Onstott, a registered sex offender confessed to... VICTOR JUNCO, Tampa Tribune