WINNIPEG, MANITOBA (CTV Network) — Coded messages found in the folds of a Victorian-era dress were finally cracked by a University of Manitoba researcher almost a decade after they were discovered.

F or nearly 35 years, a hidden message has lurked in plain sight on a sculpture outside the cafeteria of the CIA’s ...

1. Introduction -- 2. From Julius Caesar to simple substitution -- 3. Polyalphabetic systems -- 4. Jigsaw ciphers -- 5. Two-letter ciphers -- 6. Codes -- 7. Ciphers for spies -- 8. Producing random ...

The FBI has confirmed that a coded message from the Zodiac Killer has finally been cracked, more than 40 years after it was sent to the San Francisco Chronicle. The cracked code, however, does not ...

Ricky McCormick’s death in a Missouri cornfield in 1999 might have faded into obscurity — if not for the coded notes found in his pocket that the FBI still can’t crack. The 41-year-old’s remains ...