Zodiac: cipher from California serial killer solved after 51 years

Message from still unidentified killer reads: I hope you are having lots of fun in trying to catch me'

It took 51 years and a team of experts from three countries to crack the code to a cipher left by the still unidentified Zodiac Killer, who haunted northern California communities in the 1960s and 70s. But, on Friday, the code-breaker David Oranchak revealed for the first time, the ominous message sent by the murderer.