How, from bizarre ancient markings to random numbers and letters, codes and ciphers have been used for millennia to send secret messages, hide identities and operate outside the law. |
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Ratings: | TVMaze: No Rating | |
Released: | August 15, 2022 | |
Runtime: | 60 min | |
Countries: | United Kingdom | |
Companies: | Blink Films Sky History | |
AmieWarren : Sad arrest, but great ending. I'm looking forward to Season 2!