BREAKING NEWS

Last weekend, we solved the 340 and submitted it to the FBI. They have confirmed the solution. Authorities have spent the time since then making the appropriate notifications to the victims’ families. Now that the notification process is complete, we…

Let’s Crack Zodiac – Episode 4 – National Cryptologic Museum

The National Cryptologic Museum has been closed due to the pandemic, so they’ve been doing a series of online educational events. They invited me to give a lecture about the Zodiac ciphers.  Check it out in my latest episode of…

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/