The Zodiac Killer had sent the cipher in three parts to three local newspapers with a handwritten letter attached that confirmed his identity. Donald and Bettye Harden, a puzzle-loving couple ...

the killer and their unsolvable ciphers are still puzzling sleuths more than 60 years later. According to the San Francisco ...

A new quiz challenges Brits to test their knowledge of some of the most infamous unsolved crimes in history - from Jack the ...

As far as we can tell, no one has actually seen Ted Cruz and the Zodiac Killer in the same place at the same time. The Zodiac Killer was an unidentified serial killer responsible for the deaths of at ...