A whodunit or whodunnit (a colloquial elision of "Who [has] done it?") is a complex, plot-driven variety of the detective story in which the puzzle regarding who committed the crime is the main focus. The reader or viewer is provided with the clues from which the identity of the perpetrator may be deduced before the story provides the revelation itself at its climax. The investigation is usually conducted by an eccentric, amateur, or semi-professional detective. This narrative development has been seen as a form of comedy in which order is restored to a threatened social calm. Concept Whodunit follows the paradigm of the classical detective story in the sense that it presents crime as a puzzle to be solved through a chain of questions that the detective poses. In a whodunit, however, the audience is given the opportunity to engage in the same process of deduction as the protagonist throughout the investigation of a crime. This engages the readers so that they strive to compete with or outguess the expert investigator.A defining feature of the whodunit narrative is the so-called double narrative. Here,...