1. **Visual Clues**: Something the audience sees but characters miss 2. **Dialogue Clues**: Casual remark that becomes important 3. **Environmental Clues**: Setting details that reveal backstory 4. **Behavioral Clues**: Character actions that seem out of place - **The Obvious Suspect**: Build evidence against character A, reveal it was B - **The Unreliable Narrator**: Question everything through biased perspective - **The Double Bluff**: Character seems guilty, then innoce...