Gerry Haynaly has deciphered the encrypted diary I recently introduced. Here’s how he did it.
Henry Debosnys (1836-1883), a convicted murderer, left behind four cryptograms, which are unsolved to date. Breaking them could shed light on the many mysteries that surround this case.
Erich Pieper from Hamburg, Germany wrote an encrypted diary from 1928-1931. Can a reader decipher this cryptogram?
Alession Vinci, an Italian student, died in 2019 for unexplained reasons. He left behind an unsolved cryptogram.
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