4 Simple substitution ciphers without spaces between words: Patristocrats

The message shown in Figure 4-1 was sent to the New York Post by a copycat of the infamous Zodiac Killer (see Chapter 6) in 1994—about twenty-five years after the killer’s last original message had appeared.1 It is encrypted with the substitution table provided in the same figure and decrypts to the following plaintext (which includes a few spelling mistakes): THIS IS THE ZODIAC SPEUKING. I AM IN CONTROL. THO’ MASTERY, BE READY FOR MORE. YOURS TRLIY.

How a Patristocrat, a simple substitution cipher without spaces, works

As you will certainly have noticed, this Zodiac ...

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