Thomas Horan’s Zodiac Killer Book

Thomas Horan’s Zodiac Killer Book

As you very well may know, Thomas Horan recently published a short ebook: The Great Zodiac Hoax of 1969. I will address the subject of that book in a later post. Unfortunately, I need a place to put some of the comments from Thomas et al. regarding his book since they...

Reporting on the Zodiac Killer Ciphers

Reporting on the Zodiac Killer Ciphers

The other day, I noticed a rather unusual spike in traffic to this website. After digging around a bit, I determined that the primary reason for the spike was a renewed interest in Corey Starliper's clearly invalid solution to the Zodiac Killer's 340 cipher. This...

Reaction to Lyndon Lafferty’s Book

Reaction to Lyndon Lafferty’s Book

I've finally had an opportunity to read Lyndon Lafferty's book, cover to cover. In a nutshell, it just doesn't work for me. He has not presented any evidence that works to my satisfaction and, therefore, I cannot recommend it to anyone interested in the factual side...

Cipher Generator Revision History

Cipher Generator Revision History

This post will serve as a living document that tracks the ongoing changes which I make to the Zodiac Killer Cipher Generator. June 6, 2012 Incorporated David Bau's Math.seedrandom() since, apparently, Math.random() is not seedable by default. I exposed the seed, which...

New Zodiac Killer Cipher Website

New Zodiac Killer Cipher Website

Over the years, Dave Oranchak has done some great research into the Zodiac Killer's ciphers. He's created two popular cipher analysis web applications (webtoy and cryptoscope) and collected a wealth of information related to the ciphers of the Zodiac Killer. Recently,...

Cipher Generator Released

Cipher Generator Released

Back in the 2007 time frame, I was writing a cipher-solving program called CipherExplorer. The program works reasonably well. It's capable of solving the Zodiac Killer's 408 cipher and other homophonic substitution ciphers comparable to the apparent strength of the...

Irresponsible Zodiac Killer Reporting

Irresponsible Zodiac Killer Reporting

Looking around the web recently, the thought crossed my mind that what we really need is an award to recognize the exceptionally irresponsible reporting that happens all too often in the case of the Zodiac Killer. I'm not talking about your average Joe, armed with...