Prime Video 's true crime series One Night in Idaho: The College Murders has been hailed as one of the most "heartbreaking" crime documentaries, with viewers describing it as "impossible to forget".

After the crime scene was razed, the FBI built a 3D mock-up of the King Road house that would have been used for Idaho trial demonstrations.

The young woman who bravely confronted her sister’s killer as he was jailed for life has detailed the moment we all missed in the blistering courtroom take-down.