In the case present to Sherlock Holmes in "The Crooked Man" seems to be a outrageous and deceiving, when Nancy Barclay kills her husband in a locked room which forms a heavy argument. The police, seem disinterested in the missing key or the animal tracks inside the room, facts which Holmes see as an important clue. The story develops from a supposedly impossible crime into a cycle of why events have happened as they did. Part of the story deals, eventually, with some other books that Conan Doyle wrote or narrated. The fact that there is no crime in "The Crooked Man" doesn't pull away from the story, for the case shows how Holmes sees the clues differently than the police force sees them. In the end of the story, the medical evidence showed
