Enigmatic CIA Puzzle 'Kryptos' May Be Flawed

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The Kryptos puzzle at CIA headquarters in Langley, Va.

The Kryptos puzzle at CIA headquarters in Langley, Va. Copyright James Sanborn. Used with permission. hide caption

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A sculptural cryptogram at the CIA's headquarters that has intrigued people for years may have flaws in its design, says its creator. For more than a decade, professional cryptologists and amateur code breakers have been trying to decipher Kryptos, an encrypted sculpture at the CIA headquarters in Langley, Va.

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But it turns out that the artist made the challenge a bit more complicated than he intended. Melissa Block talks with James Sanborn, the sculptor who recently realized a mistake in the piece, and Elonka Dunin, a cryptologist who maintains a website on the sculpture.

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