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“Joe Koenig has done a masterful job in objectively marshaling the evidence and applying forensic language analysis to the recorded conversations of Walt Reca. I am left with the firm conviction that there is probable cause to believe that Walt Reca is D.B. Cooper. The FBI would be remiss if it did not re-open its case to apply Mr. Koenig’s findings to the evidence known to the Bureau.”

Carl Marlinga, Former Macomb County (Michigan) Prosecuting Attorney





".. unlocking the secrets of communication." - buy Mr. Koenig's autographed books at BOOKSTORE.

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