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Daily Casefile · Cipher

Decode the note. Name the encoder.

A short message intercepted at the scene, encoded by hand. Six clues tell you about the encoder — their habits, their methods, what they might have substituted for what. Decode the message. Name the encoder. One shot.

Today’s Cipher

Cipher #005 · The Locked Library Note

A small-town public library, closed for renovation

A threatening note was slipped under the head librarian's office door overnight. The note is written in a simple code, and investigators have narrowed the suspects down to four library staff members. Each suspect is known to use a distinct personal cipher when passing secret messages.

Open the cipherTakes a few minutes