Zodiac Killer: Code-breakers solve San Francisco killer's cipher
A three-strong amateur team decodes one of several messages attributed to a US serial killer.
from BBC News - World https://ift.tt/2IL6Bim
https://ift.tt/2IL6Bim
from BBC News - World https://ift.tt/2IL6Bim
https://ift.tt/2IL6Bim
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