Antoine Dupont, strangled with a wire - The debrief. The investigation reveals that the teenager was at odds with school, but not with his family.

The hypothesis of the escape quickly fades, in favor of a more worrying hypothesis. A year later, none of the avenues explored by the gendarmerie have come to fruition. Guest(s): Lieutenant-Colonel Didier Michaud, at the time Commander of the Béthune Gendarmeries Company.