Let’s Crack Zodiac – Episode 3 – The 408

Join me for a deep dive into the Zodiac Killer’s first mysterious cipher, as told through a combination of newspaper articles, police reports, FBI documents and books.  Learn about Zodiac’s crimes, his taunting letters, the mysterious cryptogram he sent to…

Let’s Crack Zodiac – Episode 2 – Bigrams

Is Zodiac’s unsolved cipher a hoax, or does it have a real message? Let’s investigate some possible clues, in Episode 2 of “Let’s Crack Zodiac”: ¬†https://www.youtube.com/watch?v=uyH9-AHz-HY

Let’s Crack Zodiac – Episode 1 – Graysmith

Quarantine inspired me to create a new video series on Youtube. It’s called “Let’s Crack Zodiac”. True crime meets classical cryptography. Episode 1: Graysmith Almost 35 years ago, Robert Graysmith published his blockbuster book, “Zodiac”, and claimed to solve a…

(Untitled)

Here’s a great conversation I had with Michael Butterfield for the first episode of his podcast, “Zodiac: A to Z”:

HistoCrypt 2019 – Really good papers

HistoCrypt 2019, an annual conference on historical cryptology, convenes this week. The proceedings have been published and include many fascinating papers: http://www.ep.liu.se/ecp/158/ecp19158.pdf Those here who like to tinker with solvers and the Zodiac ciphers need to read these: Nils Kopal,…

Very Scary People – “I Am Zodiac”

Here is the latest trailer for the upcoming Zodiac-focused episode of “Very Scary People”, hosted by Donnie Wahlberg: HLN interviewed many folks for this show, including me for the cipher-related material. Apparently the episode is split between two episodes, so…

The problem with many cipher “solutions”

Zodiac invades French McDonald’s?

I’m getting a real Zodiac vibe from these French ads for the “Megamac” burger from McDonalds. https://twitter.com/Megamacisback/

Mysteries at the Museum – Zodiac Killer special

Here are three promos from the Zodiac Killer special episode of Mysteries at the Museum, a popular show on the Travel Channel: Description: In the late 60s and early 70s, the San Francisco Bay area was terrorized by a killer…

What is Zodiac’s 340-character cipher?

Earlier this month I gave a talk about Zodiac’s unsolved 340-character cipher at the annual convention of the American Cryptogram Association in Hendersonville, NC. It is full of things I’ve learned over the years about the cipher. My goal was…