Whodunit?

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Across
  1. 3. very rich
  2. 7. information that is hidden
  3. 8. the answer to the mystery
  4. 10. to say something that is not true
  5. 11. killing a person
  6. 12. the reason for doing something
  7. 14. to ask serious questions
  8. 17. trying to find the truth
  9. 19. a small piece of information
  10. 20. to hurt someone’s trust
Down
  1. 1. what really happened
  2. 2. something that is hard to explain
  3. 4. facts or objects that show what happened
  4. 5. a person who solves crimes
  5. 6. money or property you receive after someone dies
  6. 9. a surprising change in the story
  7. 13. an illegal action
  8. 15. proof that someone was somewhere else
  9. 16. the person who is hurt or killed
  10. 18. a person who might be guilty