Dr. Who is it

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Across
  1. 4. harmed
  2. 5. foretell
  3. 7. reason
  4. 11. prison
  5. 13. suspicious
Down
  1. 1. investigator
  2. 2. story
  3. 3. proof
  4. 6. detective
  5. 8. criminal
  6. 9. observer
  7. 10. hint
  8. 12. lie