The Smoking Gun

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Across
  1. 4. Cigarette brand clue in The Man with the Twisted Lip
  2. 6. Where fingerprint evidence was often found, before it was fashionable
  3. 8. Collection of newspaper clipping that links cases across Elementary episodes
  4. 10. Holmes’s chemical test for identifying hemoglobin
  5. 11. Object recovered from the Thames in The Six Napoleons
  6. 17. Speck on a handkerchief that solved a murder
  7. 18. Scent trail Holmes uses to identify the “Napoleon of Crime”
  8. 21. Holmes deduces identity from this found in a hat
  9. 22. Modern adaptation clue: cell phone data used by Sherlock (BBC)
  10. 24. Shattered ornament hiding stolen pearls in The Six Napoleons
  11. 29. The smallest details Holmes insists “should never be overlooked”
  12. 31. Source of deduction in The Adventure of the Noble Bachelor
  13. 32. Item retrieved from a chimney in The Norwood Builder
  14. 33. Clue found on paper a notebook, later matched perfectly
  15. 34. Scrap of handwriting Holmes matches under magnification
Down
  1. 1. Writing instrument in The Adventure of the Naval Treaty
  2. 2. Clue dropped from the hat in The Blue Carbuncle film adaptation (1949)
  3. 3. Evidence bearing Sir Henry’s name in The Hound of the Baskervilles
  4. 5. Mud splatter pattern Holmes uses to identify carriage travel from this
  5. 7. Strange message scrawled in The Adventure of the Dancing Men
  6. 9. Mark left by the culprit in The Boscombe Valley Mystery
  7. 12. Famous piece of correspondence Holmes deciphers
  8. 13. Shard of this reveals a disguise in A Case of Identity
  9. 14. Crucial object found near a crime scene in The Blue Carbuncle
  10. 15. Object used to conceal a gem in The Blue Carbuncle
  11. 16. Mysterious red-marked item central to an 1887 story
  12. 19. Modified to trigger a trap in the 1939 film The Adventures of Sherlock Holmes
  13. 20. Found on a corpse in A Study in Scarlet, key to Jefferson Hope’s revenge
  14. 23. Deadly vessel for “the speckled band” in Stoke Moran manor
  15. 25. Holmes analyzes traces on this item to solve The Sign of Four
  16. 26. The dog that didn’t bark — a clue in itself
  17. 27. Object emitting a faint scent of tar in The Retired Colourman
  18. 28. Bad habit samples that helps Holmes identify a suspect
  19. 30. Item engraved with initials in Hound of the Baskervilles