Enigma encoded messages on the legs of carrier pigeons that are locked inside briefcases handcuffed to the wrists of slave couriers. The combination code for the brief case is tattooed on the skull of the courier and the hair is allowed to grow over.
Enigma encoded messages on the legs of carrier pigeons that are locked inside briefcases handcuffed to the wrists of slave couriers. The combination code for the brief case is tattooed on the skull of the courier and the hair is allowed to grow over.