The Investigator's Grid

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Across
  1. 2. A person who is suspected of committing the crime
  2. 5. A piece of evidence used to solve a mystery
  3. 6. The reason why a criminal committed the crime
  4. 9. The final decision made at the end of a trial
Down
  1. 1. The investigator working to solve the mystery
  2. 3. A lethal substance often used as a hidden weapon
  3. 4. Proof that a suspect was somewhere else during the crime
  4. 5. The specific crime or puzzle being investigated
  5. 7. An unexpected turn of events in the story
  6. 8. A person who saw the crime happen