What are the features of the detective genre?

The detective genre typically features a central detective or investigator who solves a mystery, often a crime, through observation, deduction, and logical reasoning. Key elements include a structured plot, often involving a crime or puzzle, a cast of suspects, and clues that lead to the resolution. Themes of justice and morality frequently underpin the narrative, while the setting can vary from gritty urban landscapes to cozy small towns. Additionally, the genre often employs red herrings and plot twists to engage readers and maintain suspense.