A brutal murder: Tracey Harris, a wife and young mother, was found naked, drowned, and possibly strangled in a river in 1990. The case went cold for over 20 years, before Harris’ husband, Carl, was arrested. But right before his murder trial, somebody very close to him confessed. Today, Carl speaks out in an exclusive interview. Plus, a shocking reunion. Will Carl’s daughter forgive him after believing he murdered her mother?