The Murders in the Rue Morgue Jean-Jacques Rousseau: "to deny that which is, and explore that which is not"). In a letter to friend Dr. Joseph Snodgrass, Poe said of "The Murders in the Rue Morgue", "its "theme" was the exercise of ingenuity in detecting a murderer." Dupin is not a professional detective; he decides to investigate the murders in the Rue Morgue for his personal amusement. He also has a desire for truth and to prove a falsely accused man innocent. His interests are not financial and he even declines a monetary reward from the owner of the orangutan. The revelation of the actual murderer
The Murders in the Rue Morgue the two voices heard by witnesses belonged to it and to him. Fearing punishment by its master, the orangutan threw the mother's body out the window and stuffed the daughter into the chimney before fleeing. The sailor sells the orangutan, Le Bon is released from custody, and G– mentions that people should mind their own business once Dupin tells him the story. Dupin comments to the narrator that G– is "somewhat too cunning to be profound", but admires his ability ""de nier ce qui est, et d'expliquer ce qui n'est pas"" (a quote from "Julie, or the New Heloise" by