You could do worse than to confuse the meanings of "code" and "cipher"—even cryptographers sometime use the terms as though they had the same meaning. There is, however, a definite distinction ...

How code breakers finally cracked the Zodiac Killer’s cipher 50 years later Posted: Dec 14, 2020 / 06:52 PM CST Updated: Dec 14, 2020 / 06:52 PM CST ...

Many cryptographers throughout history have claimed that a particular code is the most-unbreakable ever written. But does a rarely-used code, invented in 1917 and briefly employed during World War ...

Experts have reportedly solved the code in the 340 Cipher sent to the San Francisco Chronicle in 1969 by the Zodiac Killer, the elusive figure who terrorized the Bay Area decades ago and killed ...

A coded message sent by the Zodiac Killer to the San Francisco Chronicle in 1969 has finally been cracked, the newspaper reported Friday. A team of code breakers solved the vexing cryptogram after … ...

Previously only one Zodiac cipher had been solved, also by citizens, namely a California couple, back when the killings had just started. This one, however, was considered even more complex.

Three codebreakers have cracked the Zodiac Killer's hidden message, 51 years after the serial killer sent it to the San Francisco Chronicle. Read the FBI's response.