The Jury system has a rather unusual interpretation in Murder on The Orient Express, at least by Western standards. A self-appointed group of twelve, the same number of people in a jury, convicts Ratchett to death and then murder him. The idea of a "jury" or the Justness of the jury becomes thematic material. The Jury is a symbol of Justness. The Armstrong family justified killing a many because they gathered twelve people together who through that Ratchett should die. However, their idea of a jury is nothing like the courtroom jury or jury as the state intended. They like Poirot, did not rely on any sort of law or otherwise to form their "jury." The "Jury" system is simply a consensus; it puts the responsibility of one man's death on the shoulders