SAC Portland to SAC Indianapolis re anonymous letter to former SAC Mattson naming Cooper lookalike

Document date 19 November 1976

Part 10page 781 pageDB Cooper-1298

Also filed at: Part 121 p. 163

Copies may differ in what was redacted.

Open in FBI Vault (Part 10, page 78 of the PDF)
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Id: Cooper-Part-10:078-078

Subject: Cooper Files: Cooper-Part-10:078-078

Document: Memorandum SAC Portland to SAC Indianapolis re anonymous letter to former SAC Mattson naming Cooper lookalike
Id: Cooper-Part-10:078-078
Page: https://cooper.theunsolved.net/documents/Cooper-Part-10%3A078-078

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FBI 164-81, Vault Part 10 p. 78 (DB Cooper-1298), Memo, dated 19 Nov 1976, serial PD 164-41-1576 (as read from the transcript) — cooper.theunsolved.net/documents/Cooper-Part-10%3A078-078

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

Memorandum

TO : SAC, INDIANAPOLIS DATE: 11/19/76

FROM : SAC, PORTLAND (164-41) (P)

SUBJECT: NORJAK (OO: Seattle) BUfile 164-2111

Re report made by SA [REDACTED] 5/30/73, at Seattle.

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On 11/5/76, the following quoted anonymous letter, hand printed in ball point pen, on plain white paper was received at the Portland Office, addressed to former SAC JULIUS MATTSON:

"I think I saw a man that resembles this picture. told this man was called. [REDACTED] [REDACTED] Wears an [REDACTED] Wears aviator's glasses, rumored he is [REDACTED] has unlimited use of [REDACTED] reported living Indiana. west, near [REDACTED] ..."

The writer enclosed a clipping from the Chicago Tribune, Sunday, November 24, 1974, captioned "D. B. COOPER, $200,000 Leap Still a Mystery." The clipping contained a copy of the 1971 FBI composite sketch of the hijacker.

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LEADS

INDIANAPOLIS

AT [REDACTED] INDIANA Will conduct appropriate investigation to locate, identify and eliminate the individual described in this anonymous letter.

ARMED AND DANGEROUS

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2- Seattle (164-81) 2 - Indianapolis [stamp] - Portland [stamp] RPH:egc (6) [stamp] [stamps/initials]

[handwritten initials] 164-41-1576 [partially illegible stamps]

Buy U.S. Savings Bonds Regularly on the Payroll Savings Plan DB Cooper-1298 5010-108-02

Serials: 164-2111, PD 164-41, PD 164-41-1576, SE 164-81

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Very similar text — possibly a copy redacted differently, or another memo written from the same template.