Twin Peaks is, not least, a crime story based on techniques of creating suspense, which is driven by the question and the search for the murderer. At the same time, however, the deviations from the rules of the crime genre are celebrated to a striking extent. The game with the genre rules of the crime story, which is elemental for the series and its literary paratexts, is exemplified and discussed through three aspects: the figure of the detective, the handling of the Whodunit pattern, and the limited readability of the narrated world—resulting from the proximity to the fantastic.