Chevaline

On 5th September 2012, in a small mountain parking lot in the Alps, a British vacationing family and a local cyclist were found murdered. This marks the beginning of what would become one of the most far-reaching and mysterious criminal cases of recent decades in Europe. While the victims appear to have no notable history, French and British investigators quickly uncover a complex and increasingly perplexing reality.

Official website :https://www.canalplus.com/decouverte/sans-issue-la-tuerie-de-chevaline/h/23163223_50001