The Murders in the Rue Morgue removes the crime, as neither the orangutan nor its owner can be held responsible. Poe scholar Arthur Hobson Quinn speculates that later detective stories might have set up M. Le Bon, the suspect who is arrested, as appearing guilty as a red herring, though Poe chose not to. Poe wrote "The Murders in the Rue Morgue" at a time when crime was at the forefront in people's minds due to urban development. London had recently established its first professional police force and American cities were beginning to focus on scientific police work as newspapers reported murders and criminal trials. "The
The Murders in the Rue Morgue on the language the murderer spoke, Dupin concludes they were not hearing a human voice at all. He and the narrator examine the house thoroughly; the following day, Dupin dismisses the idea of both Le Bon's guilt and a robbery motive, citing the fact that the gold was not taken from the room. He also points out that the murderer would have had to have superhuman strength to force the daughter's body up the chimney. He formulates a method by which the murderer could have entered the room and killed both women, involving an agile climb up a lightning rod