Law enforcement agencies race to find the hijacker, but they face major obstacles. The possible search area is massive and the weather hampers the investigation on the ground. The media turns the story into nationwide news. And they know virtually nothing about the man who called himself “Dan Cooper” but who will be forever known as, “D.B. Cooper.” As their frustration mounts, they release a sketch of the hijacker that will become iconic in the history of American crime.

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