Locked-Room Mysteries

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Across
  1. 4. – Secured and inaccessible.
  2. 6. – Reason for the crime.
  3. 7. – Unlawful killing.
  4. 8. – Suspicious sound.
  5. 11. – Possible exit or entry.
  6. 13. – Hidden information.
  7. 16. – Crucial timeline detail.
  8. 17. – Mystery to be solved.
  9. 18. – Trapped space.
  10. 19. – Proof of innocence.
  11. 20. – Means to unlock.
Down
  1. 1. – Evidence at the scene.
  2. 2. – Person harmed in the act.
  3. 3. – Key piece of evidence.
  4. 5. – Act of wrongdoing.
  5. 9. – Suspect’s fleeting form.
  6. 10. – The one responsible.
  7. 12. – Locked entry point.
  8. 14. – Hidden danger.
  9. 15. – Investigator of the mystery.