Saturday guest Thomas Colbert shares several key pieces of evidence in his ongoing D.B. Cooper investigation. Handwriting Samples - Robert W. Rackstraw, Norman de Winter, D.B. Cooper (PDF) FBI Cover-Up (PDF) "Evidence" of D.B. Cooper's Clean Getaway Covered Up by FBI for 46 Years (PDF) Two Senior FBI on 1980 River-Cash Search Say New Cooper Theory Holds Water (PDF)