Detective story (Mathis C.)

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Across
  1. 1. a liquid allowing to kill somebody
  2. 4. weapon use for kill somebody from a distance
  3. 5. a trace left by the murderer on the crime scene
  4. 6. a edged weapon
  5. 8. a book or a film that tells a very exciting story
  6. 9. a motives for a crime
Down
  1. 1. name of a famous Belgian detective
  2. 2. the molecule inside cells that contains genetic information
  3. 3. a person who saw something about a crime
  4. 5. it's left by a murderer on different objects and help the investigation
  5. 7. the person who sudden the crime