Famous Unsolved Cases

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Across
  1. 3. - Prison island with famous escape attempt
  2. 5. - Organized effort to find someone
  3. 8. - Money demanded for hostage release
  4. 12. - Missing Teamsters union leader
  5. 14. - Vanished without explanation
  6. 15. - Skyjacker who jumped with ransom money
  7. 17. - Human remains often found years later
  8. 18. - Aviator who disappeared over Pacific
  9. 19. - Unexplained or puzzling event
  10. 20. - Disappeared completely
Down
  1. 1. - Secret code or message
  2. 2. - Case without resolution
  3. 4. - Potential clue in investigation
  4. 6. - Illegal seizure of vehicle or aircraft
  5. 7. - Type of case gone inactive
  6. 9. - Alert system for missing children
  7. 10. - Elizabeth Short murder case nickname
  8. 11. - Famous unidentified serial killer
  9. 13. - Child beauty queen murder victim
  10. 16. - Triangular area of mysterious disappearances