A cipher sent in 1969 by the Zodiac Killer has been solved. In an email to EW Scripps, the Federal Bureau of Investigation confirmed that three "private citizens cracked the cipher." "On Dec. 5, the ...
The envelope arrived at the San Francisco Chronicle in November 1969 without a return address, its directive to the recipient, in handwriting distinctively slanted and words unevenly spaced, to ...
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