1: The Zodiac Killer's key mistake was sending cryptic letters to police and the media, taunting them with clues.

2: He thought he was untraceable, but technology eventually caught up, leading to his identification.

3: The FBI's breakthrough in DNA analysis techniques finally revealed his true identity.

4: The Zodiac Killer's code-breaking skills couldn't save him from modern forensic science.

5: His overconfidence and desire for attention ultimately led to his downfall.

6: The families of his victims can finally have closure after decades of uncertainty.

7: The Zodiac Killer's reign of terror now comes to an end as justice is served.

8: His gruesome murders will never be forgotten, but his name will now be known.

9: The FBI's relentless pursuit of justice proves that no killer can escape the long arm of the law.

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