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 ...

Ziraoui's long, detailed posts describe the process by which he says he cracked two of Zodiac's unsolved ciphers, known as Z13 and Z32. Z13 was sent to the San Francisco Chronicle in 1970 and says ...

Sent in 1969 after a schoolteacher and his wife cracked the Zodiac Killer’s first cipher, the 340-character cipher was more complex and remained unsolved, even by a supercomputer designed to ...

The Zodiac Killer, the plaintext revealed ... “It was an exciting project to work on, and it was on many people’s ‘top unsolved ciphers of all time’ lists.” The full text of the cracked ...

Few cases have captured the public's imagination and baffled investigators quite like the Zodiac Killer. For decades, this unidentified serial murderer taunted law enforcement and the public alike ...

“The FBI is aware that a cipher attributed to the Zodiac Killer was recently solved by private citizens,” they wrote in a December 2020 tweet. The two remaining ciphers are still unsolved, and more ...

A three-person team appears to have unraveled a previously unsolved cryptogram from the Zodiac Killer ... The coded message, known as the "340 Cipher" because it contains 340 characters, was ...

A long-unsolved puzzle sent by the Zodiac Killer ... saying investigators were “aware that a cipher attributed to the Zodiac Killer was recently solved by private citizens.” ...

According to the Chronicle, there are two other ciphers sent to papers decades ago that remain unsolved—and perhaps it's one of them that will provide the key to unlocking the Zodiac's ...

So, who was the Zodiac killer really? A depraved figure who took the life of at least five people and eluded authorities for decades, he gained notoriety for the taunting letters and ciphers he ...