This is what the 340 cipher reads according to a group of amateur sleuths, from the US, Belgium, and Australia revealed.
The cipher is one of many that remained uncrackable 51 years after the Zodiac Killer went on a spree between December 1968 and October 1969. The Killer who has never been identified taunted law enforcement and the local media with messages.
The Federal Bureau of Investigation tweeted this out:
— FBI SanFrancisco (@FBISanFrancisco) December 11, 2020
According to the San Fransico Chronicle, two more messages remain unsolved and may contain the identity of the Zodiac Killer
Below is a Youtube Video on how the code was cracked