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The Zodiac Killer's Cipher That Went Unsolved for 51 Years

A serial killer mailed coded messages to police — and one stayed unsolved for over 50 years If you cracked a cipher, would you even tell anyone? 👇

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A serial killer mailed coded messages to police — and one stayed unsolved for over 50 years If you cracked a cipher, would you even tell anyone? 👇

Transcript

A killer mailed ciphers — police were stumped for decades. The Zodiac killed at least five people, then taunted police with cryptic letters. In 2020, three amateur codebreakers cracked it — from their homes, using pattern analysis. Follow — we cover real cases like this every week.