Telltale Hearts (and Other Things)

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Across
  1. 1. The connection that outed the Golden State Killer.
  2. 4. How police tracked Danueal Drayton.
  3. 6. The snack that brought down the Grim Sleeper.
  4. 9. Albert Fish's downfall.
Down
  1. 1. What had Dennis Nilsen's neighbors complaining.
  2. 2. The key to catching Israel Keyes.
  3. 3. Windshield litter that stopped the Son of Sam.
  4. 5. What ended Ted Bundy's time on the lam.
  5. 7. The distraction that helped Dahmer's victim land a punch.
  6. 8. The cutting-edge tech that helped police catch BTK.