Another Clue Is Offered in a 24-Year-Old Mystery at the C.I.A. Another Clue Is Offered in a 24-Year-Old Mystery at the C.I.A. The artist who created Kryptos, an enigmatic puzzle-in-a-sculpture in a courtyard at C.I.A. headquarters in Langley, Va., has decided that it is time for a new hint. http://ift.tt/1HstFHS http://ift.tt/1HstEnc U.S. Cryptography, Codes and Ciphers, Espionage and Intelligence Services, Sculpture

By JOHN SCHWARTZ from NYT U.S. http://ift.tt/1HstFHS

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