Zodiac "340 Cipher" cracked

For anyone who is interested:

https://www.sfchronicle.com/crime/article/Zodiac-340-cypher-cracked-by-code-expert-51-years-15794943.php

And there's a video that goes deeper into the methods used to crack it:

https://m.youtube.com/watch?v=-1oQLPRE21o