Mystery & Murder

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Across
  1. 7. Common mystery weapon
  2. 8. Proof you were elsewhere
  3. 9. Person behind the crime
  4. 10. Person solving the crime
  5. 14. Search for the truth
  6. 16. Main crime in the story
  7. 18. Reason for committing a crime
  8. 19. Possible criminal
  9. 20. Unexpected plot surprise
Down
  1. 1. Admitting the crime
  2. 2. Clues found at the scene
  3. 3. Impossible crime setup
  4. 4. Suspense-filled book genre
  5. 5. Hint about future events
  6. 6. Something that helps solve mystery
  7. 11. Serious police questioning
  8. 12. Someone who saw something
  9. 13. Unique identifying mark
  10. 15. Hidden information
  11. 17. Hidden identity