CNN Declassified November 4, 2019 07:32:00
On august 23rd, 2001, the fbi arrested brian reagan at dulles airport in virginia just as he was getting ready to board an international flight. >> there are so many different items on him when he was arrested. brian had three different letters with codes on them, sheets and sheets of these three digits. he had cryptic notations. he was basically covered with codes all the way down to his shoes. and we knew we needed to unlock these codes and find whatever he's taking or whatever he's giving away. anything we can figure out of these codes is going to be key at trial. >> so our biggest problem ...