Les Abysses

André Malraux imposed the showing of this film at the Cannes Film Festival 1963, after a public declaration of support from a large number of French intellectuals and artists, amidst a major uproar and social criticism. The followers of the Surrealism movement took the Papin sisters case as paradigm of class revolt, and a signal that a social revolution was already taking place. Romantics saw in these grisly murders the emergence of absolute Evil (imdb)