Jim Krauseneck's first wife, Cathy, was found dead in 1982 with an ax in her head. 40 years later, Jim was accused of her murder. One of the coldest cases in the country to go on trial took decades to solve... and tore apart a family. Erin Moriarty goes behind-the-scenes of Jim's trial, from Dr. Michael Baden's opinion on the estimated time of death to fourth wife Sharon Krauseneck's steadfast faith in her husband. Eventually, Jim's fate came down to key details about what occurred that night. Erin takes you deeper into the "48 Hours" investigation, "The Brighton Axe Murder".