Add Yahoo as a preferred source to see more of our stories on Google. A team of codebreakers has announced a solution to the Zodiac Killer‘s famous 340-character cipher received by The San Francisco ...

The world has its fair share of serial killers, with some who have not been caught and are probably running in the wild freely with their real identities still unknown--such as the case of the Zodiac ...

The expert cryptanalyst and the Sunday-puzzle expert alike rely on the fact that letters have their own personalities. As David Kahn writes: “To the casual observer, they may look as alike as troops ...

A French amateur codebreaker claims to have done what police and other investigators could not: Solve the remaining Zodiac Killer ciphers, including one that supposedly reveals the California killer’s ...

Codebreakers translated a mysterious coded letter from the Zodiac Killer a full 51 years after it was first sent. The FBI has confirmed the results.

An international team of amateur sleuths claim to have decoded a half-century-old taunt by California's notorious Zodiac Killer. Limited time: Save 25% on NBC News subscription Get exclusive reporting ...