Which elements would be included in a fictional mystery

1. A crime or suspicious event that needs to be solved

2. A detective or amateur sleuth to investigate the mystery
3. Clues and red herrings that lead the characters and reader on a trail of investigation
4. Suspense and tension as the characters uncover new information and face danger
5. Various suspects with motives and alibis
6. Hidden secrets and motives that may be revealed as the mystery unfolds
7. Twists and turns that keep the reader guessing until the final resolution
8. A satisfying conclusion with all loose ends tied up and the mystery solved.