Across
- 4. To suddenly become impossible to see or find.
- 6. Something that helps prove what happened.
- 7. To speak very quietly.
- 9. A person who may have committed a crime.
- 12. To carefully look at something in order to learn more about it.
Down
- 1. A question or message with a hidden meaning that needs to be solved.
- 2. A room or floor underneath a building.
- 3. A person who investigates crimes and tries to discover the truth.
- 5. A secret or strange situation that is difficult to understand.
- 8. Something that helps you discover what happened.
- 10. A long passage inside a building, usually with doors on the sides.
- 11. A person who sees something happen and can tell others about it.