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Zodiac Killer's '340 Cipher' sent to California newspaper San Francisco Chronicle 51 years ago solved by code experts, report says - ABC30 Fresno
Zodiac killer code cracked by Australian mathematician Sam Blake more than 50 years after first murder - ABC News
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Zodiac Killer's "340 Cipher" Solved After 51 Years by Code Breakers | Find Out What the Infamous Killer Was Saying
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Maths boff reveals how he cracked Zodiac Killer's 1969 coded message 50 years after serial killer's deadly spree
![Zodiac Killer's '340 Cipher' sent to San Francisco Chronicle 51 years ago solved by code experts, report says - ABC7 San Francisco Zodiac Killer's '340 Cipher' sent to San Francisco Chronicle 51 years ago solved by code experts, report says - ABC7 San Francisco](https://cdn.abcotvs.com/dip/images/8694370_121120-kgo-zodiac-img_Image_00-00-30,10.jpg?w=800&r=16%3A9)
Zodiac Killer's '340 Cipher' sent to San Francisco Chronicle 51 years ago solved by code experts, report says - ABC7 San Francisco
![How 3 amateur code breakers solved the Zodiac Killer's '340 Cipher' 51 years later - We Are The Mighty How 3 amateur code breakers solved the Zodiac Killer's '340 Cipher' 51 years later - We Are The Mighty](https://www.wearethemighty.com/app/uploads/2020/12/Zodiac-Killer-Cover-Image-scaled-1.jpg)