At the CIA headquarters in Langley, you will find Kryptos, a large curved copper panel that holds the letters to four encrypted messages. The first three messages- K1, K2, and K3- were solved in the nineties, but K4 continued to mystify cryptographers for decades. That is until Jim Sanborn, the artist who created Kryptos, decided to auction off the plain text and the coding charts that can crack the very code to K4. This week, guest host Flora Warshaw sits down to talk with Bobby Livingston, the auctioneer who recently sold Jim Sanborn's private Kryptos archive for a staggering amount.

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This show is brought to you from Goat Rodeo, Airwave, and the International Spy Museum in Washington, DC. This episode was produced by Flora Warshaw and the team at Goat Rodeo. At the International Spy Museum, Mike Mincey and Memphis Vaughan III are our video editors. Emily Rens is our graphic designer. Joshua Troemel runs our SPY social media. Amanda Ohlke is our Director of Adult Education and Mira Cohen is the Vice President of Programs. 


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