The Corpse in the Waxworks

Last night Mademoiselle Duchêne was seen heading into the Gallery of Horrors at the Musée Augustin waxworks, alive. Today she was found in the Seine, murdered. The museum's proprietor, long perturbed by the unnatural vitality of his figures, claims that he saw one of them following the victim into the dark; a lead that Henri Bencolin, head of the Paris police and expert of impossible crimes, canno...