This is a story about a puzzle called Kryptos and one woman who's spent almost two decades trying to solve it. In the heart of the CIA headquarters lies a mystery. OK, probably more than one mystery, but, this one is weird because it's meant to be solved. It's a sculpture containing an encoded message that's a challenge to the CIA employees but, for 30 years, no one has been able to figure out what it says. If anyone's got a shot, it's Elonka Dunin. I mean, just listen to her. - When my friends and family ask me what I want for Christmas, I tell them to get several puzzles, mix all the pieces together , and then, just give me a bag of pieces. I enjoy seeing order come out of chaos. When Elonka's not solving jigsaw puzzles, she's cracking codes and she's good at it. The Da Vinci Code's author even named a character after her, Nola Kaye. I mean, it's an anagram, but, you know, that's the kind of thing puzzle people do. ...