The lastLecoqnovel goes back to the beginning, to Monsieur Lecoq’s first case, the case that began his reputation as a master of detection, master of disguise, and master of detail. The case begins simply: Lecoq and several other policemen come upon a crime as it’s being committed. Three men are dead and the killer is in custody. But who is he? Lecoq and his companion officer spend months trying to...