Part 73, page 239
FBI 164-81, Vault Part 73 p. 239 (DB Cooper-31585), Handwritten note — cooper.theunsolved.net/parts/Cooper-Part-73/pages/239
Transcript
The scan is the source; the transcript is machine-generated from it.
Dear Sirs,
I am suggestively writing to you. About the airplane hijacking. I am an imaginative person and I have ideas come to me. I recently sent one to an airline. I am sending this one to you.
I think I see a possible way of altering the hijackers arena which could lead to other possible methods of thwarting.
The way I see it can involve a lot of or very little labor and material according to the degree of thwart[ment] needed.
For planes smaller than the 747 I suggest that the aisle be interrupted with one or maybe two sets of seats be set [guess: up] consecutive per each
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DB Cooper-31585
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SEE DRAWING ON BACK