David Berkowitz (Son of Sam)

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Across
  1. 1. Berkowitz's current claimed mission in life, as a born-again Christian
  2. 3. Nickname of victim Donna Lauria, Berkowitz's first known kill
  3. 4. Surname of Berkowitz's neighbor Sam, whom he claimed commanded him to kill
  4. 7. Berkowitz initially claimed his murders were committed for this
  5. 9. Berkowitz's car that helped witnesses identify him
  6. 10. Two of the NYC boroughs where Berkowitz attacked victims
  7. 13. Years of Berkowitz's main killing spree in NYC
  8. 17. Full name of the handgun Berkowitz used, including its number
  9. 18. Berkowitz's mental health diagnosis after his arrest
  10. 19. Apartment where Berkowitz lived, leaving Satanic graffiti
  11. 20. Neighborhood where Berkowitz fatally shot Christine Freund in Jan. 1977
Down
  1. 2. Berkowitz claimed his neighbor's dog was this
  2. 5. Israeli military operation Berkowitz participated in before his crimes
  3. 6. Berkowitz's firearms training in the Army likely improved his aim
  4. 8. Nickname Berkowitz gave himself in letters to the police
  5. 11. Number Berkowitz claimed his neighbor's dog told him to kill
  6. 12. Handgun caliber Berkowitz used in his shootings
  7. 14. One of Berkowitz's victims, shot on July 31, 1977
  8. 15. Price of a pack of Amerigo Vespucci cigars, Berkowitz's favorite
  9. 16. Phrase from Berkowitz's first letter, hinting he'd keep killing