Can you unravel the mysteries of the MURDER CASTLE?

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Across
  1. 4. Another associate of Holmes' who eventually turned him into the police after a failed insurance fraud scheme
  2. 6. Benjamin Pitezel's daughter and one of Holmes' only known victims
  3. 8. An International Exposition held in Chicago which Holmes used to lure in tourists to his murder hotel
  4. 9. The practice of marrying more than one person
  5. 10. Holmes' "hotel" which he used to kill at least 9 people and to eliminate the evidence
Down
  1. 1. A medieval torture device Holmes allegedly had in his basement
  2. 2. Holmes' partner who he eventually killed in an insurance fraud scheme and for whose murder he was eventually hanged
  3. 3. Benjamin Pitezel's daughter and one of Holmes' only known victims
  4. 5. A corpse used by medical students for practice
  5. 7. Benjamin Pitezel's son and one of Holmes' only known victims