Den "perfekte forbrydelse" findes ikke. Find ud af hvorfor i Forensic Files, hvor virkelige efterforskere sætter spor og beviser sammen for at opklare de mest uhyggelige forbrydelser.
In 2004, Mary Ann Clibbery was found brutally murdered at her Illinois business. Investigators had to determine if this was a robbery gone wrong or a calculated murder.
S13E1 21 min
