It took more than 50 years and a team of experts from three countries to crack the code to a cipher left by the still unidentified Zodiac Killer in northern California.
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Killer code cracked by Melbourne mathematician
It took more than 50 years and a team of experts from three countries to crack the code to a cipher left by the still unidentified Zodiac Killer in northern California.
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By Barbara Barkhausen
Source: SBS
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