A coded letter from the Zodiac Killer was finally deciphered after over 50 years. A code breaking team tested thousands of ways to crack the code on one of the killer's messages from the late 1960s.

A woman in Maryland discovered a coded message hidden within the pages of a secondhand book bought for her by her mother. Sydney, from Baltimore, had been eager to read La Belle Sauvage by Philip ...

Usually, a story about hacking a coded message will have some computer element or, at least, a machine like an Enigma. But [Ruth Selman] recently posted a challenge asking if anyone could decrypt an ...

According to reports in Italy, VAR officials were allegedly influenced by external figures, such as referees’ chief Gianluca Rocchi, who used ‘coded messages’ to suggest whether to alert the referee ...

In a style typical of today’s very online internet culture, some of Tyler Robinson’s coded messages were inside jokes meant for himself and his roommate. By Sabrina Tavernise For days, speculation ...

Seattle police were called to Harborview hospital on July 3rd to investigate a bizarre coded message left in the patient intake area earlier that day. According to a police report, a “nicely dressed” ...