Last seen: March 26, 2026 5:07 am
Why would he send it anonymously right after he was already outed as the solver? And the errors don’t seem to line up with his known worksheets. Som…
Great episode and very lengthy, impressive! Everything is crystal clear. Good chance that the Hardens sent the code key:
What about rows bound method? Do you normalize somehow the bigram scores and trigram scores to match the quadram scores? Or do you have three differen…
Hey smokie, First, keeping in mind that this is only a simple substitution solver so that I can focus my future time and computer power to transposi…
Does each cipher unit stand for a plaintext unigram, or a bigram? Both, in the plain text, every unique bigram occurs only at even or uneven position…
Jarlve, I really like this visual. I have wondered (like everyone), why so many +’s? At one point I wondered, well, what if Z wrote out text into each…
If you haven’t yet, then pick up programming, it is actually a very relaxing and rewarding thing to start with. I did. When the bookstores opened bac…
Zodiac sure copied/sourced allot of stuff. Though I wonder where he saw Count Marco’s handwriting?
Nice find BDHOLLAND. I am totally baffled. Did Marco recycle (or invent?) hate mail or did the 1962 complainer write back to him in 1969? I think t…
I propose that the zodiac just encrypted something like a standard word-search… ie: he took a word search, put the ‘circle the words’ etc…message…
Hey akias007, Welcome to the forum. Your proposed solution is: Hoot at the Halloween. Circle the words to seeh the helot hell rwaiting chaptr. Plus …
@doranchak, I see that you also had the 5-gram discovered. I find it interesting that 2 out of 3 unconnected pivots are linked to the last row in the …
This cipher stupefied me for a bit, it is oddly interesting. It has only 2 trigram repeats and because of that is solvable as both a bigram substituti…
dont worry jarlve it wont be you. i have 7 zip downloaded. i will get back to you on the weekend. cheers Is it working now Mr lowe? — Someone w…
Wishlist: – Option to swap text and background color (foreground/background). Something like this is present in virtually all imaging software and it…