The Murders in the Rue Morgue from "The Three Princes of Serendip", an Italian rendition of Amir Khusro's "Hasht-Bihisht". Poe may also have been expanding on previous analytical works of his own including the essay on "Maelzel's Chess Player" and the comedic "Three Sundays in a Week". As for the twist in the plot, Poe was likely inspired by the crowd reaction to an orangutan on display at the Masonic Hall in Philadelphia in July 1839. The name of the main character may have been inspired from the "Dupin" character in a series of stories first published in "Burton's Gentleman's Magazine" in 1828 called "Unpublished passages
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