The Killer Clowns puzzle

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Across
  1. 3. Killer clown surname
  2. 6. Admission of guilt
  3. 10. Chicago suburb tied to the case
  4. 11. State where Gacy lived
  5. 12. Where victims were buried
  6. 14. Gacy's sentence outcome
  7. 15. Circus-style persona linked to Gacy
Down
  1. 1. Tool associated with the crimes
  2. 2. Gacys clown alter ego
  3. 4. Major city near Gacy's crimes
  4. 5. Criminal classification
  5. 7. Gacy's profession
  6. 8. Crime committed by Gacy
  7. 9. People harmed in the case
  8. 13. Crucial part of criminal cases