SAC Seattle re Boeing suspect Major Warren Elfendahl with references and leads
Document date 3 August 1972
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Id: Cooper-Part-112:537-538
Subject: Cooper Files: Cooper-Part-112:537-538 Document: Memo SAC Seattle re Boeing suspect Major Warren Elfendahl with references and leads Id: Cooper-Part-112:537-538 Page: https://cooper.theunsolved.net/documents/Cooper-Part-112%3A537-538 What is wrong (title, date, type, which pages belong together, copies)? What does the scan show?
A person reads every report. Corrections are made by hand, to the data — titles, dates, names, which pages belong together — never to the scans, and they can take a while to appear.
FBI 164-81, Vault Part 112 pp. 537–538 (DB Cooper-51429–51430), Memo, dated 3 Aug 1972, serial 533-18-1516 (as read from the transcript) — cooper.theunsolved.net/documents/Cooper-Part-112%3A537-538
SAC, SEATTLE (164-81) 8/3/72
SA [REDACTED]
NORJAK
RE: MAJOR WARREN ELFENDAHL
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ELFENDAHL is being considered a suspect in this matter because he participated in a test of the air stairs of the 727 conducted by Boeing in 1963-1964. In addition, ELFENDAHL possesses a commercial pilot's license for both single and multi-engine airplanes.
The following descriptive information concerning ELFENDAHL was obtained through review of Boeing personnel files:
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Name: Major Warren Elfendahl Sex: Male Race: Caucasian DOB: 8/5/20 POB: Seattle, Washington Height: 6' Weight: 170 lbs. Hair: Light Brown Eyes: Hazel Military Service: An officer in the USAF from 11/9/42 to 10/23/45. Education: Graduated from UW with a BS in Physics 3/18/49 Fraternal Organizations: Member of Phi Cappa Psi Complexion: Swarthy SSAN: 533-18-1516 [REDACTED] b6 Address: [REDACTED] b7C Seattle, Washington Former Address: 125 7th St. S., Seattle, Wn. Organizations: Member of Air Reserve Assoc.
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[guess: Sub] 4/80 /64 - 81- [illegible]
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SEARCHED INDEXED SERIALIZED [illegible] FILED [illegible]
FBI—SEATTLE [illegible]
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RNN:klb (3)
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DB COOPER-51429
SE 164-81
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References: [REDACTED] 1st Federal Savings & Loan, 1908 3rd Ave., Seattle
[REDACTED] Northwest Label Co., 2616 1st Ave., Seattle, Wn.
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ELFENDAHL was a pilot instructor for the USAF during the war.
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LEADS
SEATTLE DIVISION
At Seattle, Washington
Will attempt to determine location of ELFENDAHL on pertinent date to eliminate him as a possible suspect in this matter.
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A[illegible] P
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DB COOPER-51430
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b6 b7C
Serials: 533-18-1516, SE 164-81