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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A San Francisco Police Department wanted bulletin and copies of letters sent to the San Francisco Chronicle by a man who called ...

The letter writer mentions a TV show. It is not clear in the cipher which show he is referring to, but the Chronicle reported that the cipher was sent to the newspaper on Nov. 8, 1969, a few weeks ...

A coded message sent by a brutal serial killer who has never been caught has been cracked more than 51 years after it was sent. This story originally appeared on Ars Technica, a trusted source for ...