Louise Cansot portrait
Cansot was found dead on 7 September 1949, but police never managed to establish the identity of her murderer. Photograph: Archives de la préfecture de Police
Cansot was found dead on 7 September 1949, but police never managed to establish the identity of her murderer. Photograph: Archives de la préfecture de Police
True crime novel about 1949 murder of Paris life model wins France’s biggest literary prize

Philippe Jaenada wins Prix Goncourt with novel that seeks to solve 77-year-old case and rehabilitates reputation of its victim