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.
A bomb, constructed to cause as much damage as possible, kills a victim with deadly force and flame. When a painstaking search yields some tiny clues, police are able to identify the killer as surely as if he'd signed them.
S11E20 21 min
