Portland to Seattle re anonymous letter mailed to Sky Marshals at Portland airport

Document date 22 December 1971

Part 92page 1841 pageDB Cooper-41058

Open in FBI Vault (Part 92, page 184 of the PDF)
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Id: Cooper-Part-92:184-184

Subject: Cooper Files: Cooper-Part-92:184-184

Document: Teletype Portland to Seattle re anonymous letter mailed to Sky Marshals at Portland airport
Id: Cooper-Part-92:184-184
Page: https://cooper.theunsolved.net/documents/Cooper-Part-92%3A184-184

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FBI 164-81, Vault Part 92 p. 184 (DB Cooper-41058), Teletype, dated 22 Dec 1971, serial PD 164-41-552E (as read from the transcript) — cooper.theunsolved.net/documents/Cooper-Part-92%3A184-184

FD-36 (Rev. 5-22-64)

FBI

Date: 12/22/71

Transmit the following in ______[illegible/handwritten]______ (Type in plaintext or code)

Via __TELETYPE__ ______[illegible/handwritten]______ (Priority)

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SAC, SEATTLE (164-81)

SAC, PORTLAND (164-41) (P)

NORJAK

[REDACTED], PORTLAND INTERNATIONAL AIRPORT, FURNISHED ANONYMOUS LETTER MAILED AT PORTLAND 12/16/71 AND ADDRESSED TO "SKY MARSHALLS PORTLAND AIRPORT" LETTER WAS SLIP OF PAPER UPON WHICH FOLLOWING MESSAGE IN LETTERS CLIPPED FROM NEWSPAPER MOUNTED WITH SCOTCH TAPE: "D.B. COOPER CONFIDENTIAL [REDACTED] BASED UPON ASSUMPTION LETTER SUGGESTS [REDACTED] AS SUSPECT, PORTLAND CHECKED INDICES, METROPOLITAN AREA CITY AND TELEPHONE DIRECTORIES, RECORDS OF PORTLAND PD AND MULTNOMAH COUNTY SO, ALL WITH NEGATIVE RESULTS. SUGGEST SEATTLE DO SAME INVESTIGATION THAT AREA. XEROX COPIES OF LETTER BEING FORWARDED SEATTLE BY MAIL.

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RPH

164-41-552E

[Searched/Serialized/Indexed/Filed markings]

Approved: [signature] Special Agent in Charge Sent __3 [illegible]__ M Per ________

DB Cooper-41058

Serials: PD 164-41, PD 164-41-552E, SE 164-81