SAC Detroit to SAC New York re Dan Cooper / D.K. Cooper lead

Document date 6 February 1976

Part 120pages 96–972 pagesDB Cooper-55099–55100

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Id: Cooper-Part-120:096-097

Subject: Cooper Files: Cooper-Part-120:096-097

Document: Memorandum SAC Detroit to SAC New York re Dan Cooper / D.K. Cooper lead
Id: Cooper-Part-120:096-097
Page: https://cooper.theunsolved.net/documents/Cooper-Part-120%3A096-097

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FBI 164-81, Vault Part 120 pp. 96–97 (DB Cooper-55099–55100), Memo, dated 6 Feb 1976 — cooper.theunsolved.net/documents/Cooper-Part-120%3A096-097

OPTIONAL FORM NO. 10 MAY 1962 EDITION GSA FPMR (41 CFR) 101-11.6 UNITED STATES GOVERNMENT Memorandum

TO : SAC, NEW YORK DATE: 2/6/76

FROM : SAC, DETROIT (164-115) (P)

SUBJECT: UNSUB, aka, Dan Cooper; Northwest Airlines, Flight 350, Portland, Oregon to Seattle, Washington 11/24/71 CAA - HIJACKING; EXTORTION OO: SEATTLE

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2/np 5US 828 [guess: illegible, could be "SUB 828" or "SUS 828"] OPEN (REOPEN) ORIGIN: Seattle [handwritten, partially illegible] SUPV: [illegible signature/initials] CASE: 164-627 DATE: 1-31-76 [guess, handwritten] SECT: 26 (11) [circled] wr/64-627-2D4 [handwritten]

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For the information of New York and Seattle Divisions Mr. WILLIAM C. TREMBLAY is the Assistant Managing Editor and Director of the "Secret Witness Program" of a local Detroit newspaper. The "Secret Witness Program" offers rewards in varying amounts to individuals who anonymously furnish infor- mation to the newspaper in current local investigations and cases of national prominence.

By letter dated 1/26/76 Mr. TREMBLAY advised the Detroit of the following information which he had anonymously been furnished by a "tipster":

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"Regarding the 'D.B. Cooper' who hijacked a Northwest Airlines flight over Washington four years ago, I knew a D.K. Cooper (who some- times wrote his name so that the K looked like a B) and who hurriedly left the country for Uganda, South Africa on the day of the hijacking. Mr. Cooper became quite interested in flying a few months before leaving the country and left the organization he was managing, with large financial problems. About two years ago he,

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2 - New York 1 - Seattle (164-81) (Info) 2 - Detroit EJJ:psn (5)

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2/28 28 [handwritten, illegible] SEARCHED _____ INDEXED _____ SERIALIZED _____ FILED _____ FEB [illegible] 1976 [guess] 26 DB COOPER-55099

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Buy U.S. Savings Bonds Regularly on the Payroll Savings Plan

DE 164-115

returned in especially good financial condition and obtained a position as Manager of the New York State Credit Union League of which I believe he is still associated."

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LEADS:

NEW YORK

AT NEW YORK, NEW YORK

Will, through New York State Credit Union League attempt to identify and locate D.K. COOPER and attempt to determine if identical with D.B. COOPER.

DETROIT

AT DETROIT, MICHIGAN

Will maintain contact with Mr. WILLIAM TREMBLAY in the event anonymous "tipster" furnishes any additional information.

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[illegible: possibly "679-7320"] 204 5th [guess: partial address, e.g. "204 5th Ave"]

(518) 482-8891 [illegible: possibly "120 Westmore Ave"] 1211 Albany,

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[illegible] DONALD K. COOPER

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[illegible]

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DB COOPER-55100

Serials: DE 164-115, NY 164-627, SE 164-81