Chocolate box

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Across
  1. 5. The poison
  2. 7. The disease the mother had
  3. 9. elderly mother
  4. 10. What the tablets were made of
  5. 11. where the poison came from
  6. 13. The cook
  7. 16. Who Poirot was
  8. 17. John
  9. 19. The policeman
  10. 20. Poirot's nationality
Down
  1. 1. Language they speak
  2. 2. Who the policeman thought was the killer
  3. 3. Where the wife was murdered
  4. 4. Paul's cousin
  5. 6. The religion Paul hated
  6. 8. murder weapon
  7. 12. Arthur
  8. 14. Who Paul was going to be before he died
  9. 15. One of the maids
  10. 16. The antagonist
  11. 18. Where the chocolates were kept