Zodiac ‘340 Cypher’ Cracked
sfchronicle.com
sfchronicle.com
https://www.youtube.com/watch?v=-1oQLPRE21o&feature=youtu.be
> Oranchak, a 46-year-old web designer who lives in Virginia, has been working on the Zodiac’s codes since 2006.
The YouTube video you linked (disclaimer: I did not watch it) appears to be by the very same author, David (Dave) Oranchak.