Years pass, and the heat of the initial investigation dies down. The FBI reviews numerous suspects but dismisses each one. There are no leads on the hijacker and no new pieces of evidence … until a boy finds bundles of money buried in the sand. The money is verified as part of the ransom and it briefly reignites the investigation. But as the new millennium dawns with no forward progress on the case, the FBI enlists the help of “citizen sleuths” to help solve the mystery of D.B. Cooper.

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