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from the "Dupin" character in a series of stories first published in "Burton's Gentleman's Magazine" in 1828 called "Unpublished passages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 home in the Rue Morgue, a fictional street in Paris. The mother was found in a yard behind the house, with multiple broken bones and her throat so deeply cut that her head fell off when the body was moved. The daughter was found strangled to death and stuffed upside down into a chimney. The murders occurred in a fourth-floor room that was locked from the inside; on the floor were found a bloody straight razor, several bloody tufts of gray hair, and two bags of gold coins. Several witnesses reported hearing two voices at the time of the murder,