KGO 2020 October 21, 2017
Palm beach county where theyve never seen a bizarre murder like this. She said to her parents, if something happens to me, michael did it. Reporter but was it her husband michael or someone else dressed to kill . We found the woman who likely sold that costume. Said, i need to buy a costume. I said, can you come back tomorrow . No, i know exactly what i want, can i come in . Reporter and what that person may have wanted was murder. How could a case that was so notorious go unsolved all those years . Reporter im david muir. Reporter and im elizabeth vargas, and this is 20 20. Heres deborah robe...