FBI 164-81, Vault Part 22 p. 333 (DB Cooper-6683), Letter, serial SE 164-81-2330 (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-22/pages/333
The scan is the source; the transcript is machine-generated from it.
ARTIST'S CONCEPTION
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Race: White
Sex: Male
Age: Mid 40s
Height: 5'10" to 6'
Weight: 170 to 180 pounds
Build: Average to well built
Complexion: Olive, Latin appearance,
medium smooth
Hair: Dark brown or black, normal
style, parted on left, combed
back. Possibly greasy.
Sideburns, low ear level
Eyes: Possibly brown. During latter
part of flight put on dark,
wrap-around sunglasses with
dark rims.
Voice: Low, spoke intelligently; no
particular accent, possibly from
Midwest section of the U.S.
Characteristic: Heavy smoker of Raleigh filter
tip cigarettes