Zodiac Mystery: The Code Everyone Said Couldn't Be Broken

For 51 years, the Zodiac killer left behind a 340-character message that stumped experts. See how three individuals finally broke the code. This documentary examines the history of the infamous Zodiac cipher. We cover the decades of failure by professional experts and how a small team, working in their spare time, successfully applied modern cryptography to read the Zodiac killer's message. By analyzing the technical challenges behind this text, we provide a factual account of how the puzzle was finally solved. This breakdown is for those interested in the forensic history of one of the most famous unsolved mysteries of the 20th century. Subscribe to Unsolved vault for weekly true crime documentary breakdowns, and tell us in the comments what you think about the methods used to crack this code. 0:00 The Unbreakable Cipher of a Serial Killer 1:46 A Signature Move of Terror 4:18 Three Ordinary Men Against a Legend 7:35 The Ongoing Hunt for an Unknown Identity #NightcapChronicles #TrueCrime #UnsolvedCases