"Quand, pourquoi et comment la police se transforme-t-elle ?" Laurent Dehossay interviewed Jonas Campion, UCL history PhD and Paris-Sorbonne, researcher at the Institute of Historical Research North of Lille and lecturer invited at UCL. He directed the collective work Organiser, innover, agir - Réformer et adapter les polices en Belgique (18e-21e siècles) ; ed. Presses Universitaires de Louvain .