believed in me. reporter: knox attempted to fade into normal life in seattle. she s changed her appearance, keeps a low social profile. she calls herself a free throw lance writ freelance writer. but the case merely changed chapters. the acquittal overturned in 2014. the saga continuing. when i look at her, i see the victim of what i call the pagan scapegoating ritual. reporter: nina hurley spent a year investigating the case. she says the salacious narrative took over the mundane looklihood that this was just a burglary gone wrong. there were mistakes made early on. like many prosecutors and many police around the world, not just in italy, when they make a mistake, they don t like to admit it. reporter: mistake or not,