Zodiac's cipher codebreaker speaks out: Killer was his own self-defeating "publicist" Salon spoke to Sam Blake, an Australian mathemetician inspired to crack the 340 cipher after watching YouTube ...

But the Bay Area killer’s 340-character cipher mailed to the San Francisco Chronicle has been cracked by an international team of code-breakers. The breakthrough, first reported by the Chronicle ...

A team of codebreakers has solved the Zodiac Killer's infamous 340-character cipher, 51 years after he sent it to The San Francisco Chronicle.

The solution to one of the Zodiac Killer’s cipher, unsolved for 51 years, was cracked by a team of citizen codebreakers earlier this month, with the FBI confirming the decoded message’s ...

The first cipher was simple—a substitution code containing 26 symbols, each of which stood in for a letter in the English alphabet. Donald Harden, a high school teacher, and his wife, Bettye ...

“This cipher was first submitted to the FBI Laboratory on November 13, 1969, but not successfully decrypted,” the statement continued. “Over the past 51 years CRRU [the FBI Cryptanalysis and ...