Crímenes Imperfectos

In 2001, paramedics in Durham, North Carolina received a frantic call from Michael Peterson who said his wife Kathleen had fallen down the stairs and that she was unconscious, but still breathing. When paramedics arrived, they could do little more than pronounce the woman dead. The number and volume of bloodstains at the scene was greater than usual. It was up to forensic scientists to find out why.