Belgian "cold case": was gendarme De Vleeschauwer killed by mistake or because he knew too much?

Belgian "Cold case": the Marquise du Chasteler was adored, yet she was murdered

La Libre takes you to the depths of Belgian criminal history to retrace six unsolved cases – cold cases. This second episode takes you to 1889, to Moulbaix, near Ath, to discover the case of the assassination of the Marquise du Chasteler (Summer series 2/6).