Zodiac Killer Code Broken?

[Uncle Duke]

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

[Juan]

If it needed a computer to unscramble it,  I think it would have been impossible for someone in 1969 to have created. There are a lot of assumptions made.

[Dr. MD MD]

If it needed a computer to unscramble it,  I think it would have been impossible for someone in 1969 to have created. There are a lot of assumptions made.

There were computers then just not in people’s homes.

[Robert]

If it needed a computer to unscramble it,  I think it would have been impossible for someone in 1969 to have created. There are a lot of assumptions made.

It's a lot easier to make a code than break it, so it's quite plausible that a manually created code would be impracticable to decipher without a computer.

[NowhereInTime]

If it needed a computer to unscramble it,  I think it would have been impossible for someone in 1969 to have created. There are a lot of assumptions made.

Yes, but if anyone would know:

[attachment=1]

[Juan]

Ted was 1.5 years old.

[NowhereInTime]

Ted was 1.5 years old.

And a nefarious bastard even then!