One Year Later: Some Doubt Engineer's Claim He Solved the Final Zodiac Ciphers But Will Forensics Reveal the Truth?
The Z13 cipher Fayçal Ziraoui claims he cracked.(Zodiackillerciphers.com) 2021 was a banner year for amateur detectives. In January, true crime activists brought the case of an anonymous hiker found dead in a tent to national attention, which led to his identification. In April, authorities arrested Kristin Smart’s killer based on facts that came out during the course of a podcast. Months earlier, in December 2020, three amateur code breakers solved the Zodiac Killer’s infamous 340-cipher — a task that the world’s top cryptologists, police and the FBI had been working on for more than 50 years.