Craig also spoke about the Paul Rubin murder case (a story he discovered and made available to the crypto history community), which was quite interesting. I recorded this part of the talk on video, too. I will write about it later.
Finally, Craig challenged his audience with an encrypted text that was found in a bible in his hometown York, Pennsylvania. Here it is:
The solution of this cryptogram is known. Armin Krauß found it within minutes, others deciphered this message, too. Can a reader break this ciphertext, as well?
Further reading: A great event: the European Historical Ciphers Colloquium 2017