The Zodiac Killer Puzzle

123456789
Across
  1. 1. Clue: Real-life detective who worked on the Zodiac case and inspired characters in films.
  2. 3. Clue: The ultimate challenge in solving the Zodiac Killer mystery.
  3. 5. Clue: An alternate spelling of director David Fincher, known for the film "Zodiac."
  4. 6. Clue: One of the symbols used by the Zodiac Killer in his cryptic messages.
  5. 8. Clue: Michael Mageau, survivor of a Zodiac attack, providing crucial information to investigators.
  6. 9. Clue: Another term for clues, which the Zodiac provided in his letters.
Down
  1. 1. Clue: Location of a Zodiac Killer crime, where Cecelia Shepard and Bryan Hartnell were attacked.
  2. 2. Clue: An anagram of "Zyge," a fictional Zodiac-inspired character in popular culture.
  3. 4. Clue: A mysterious code or puzzle, synonymous with the Zodiac Killer's cryptic messages.
  4. 7. Clue: Last name of a lesser-known suspect in the Zodiac Killer investigation.