MemoSAC Seattle re Boeing suspect Ralph Mulvihill with leads3 August 19721 page
memoLegibility: high

Part 112, page 550

DB Cooper-51447Serials SE 164-81

Document date 3 August 1972

Open in FBI Vault (Part 112, page 550 of the PDF)

FBI 164-81, Vault Part 112 p. 550 (DB Cooper-51447), Memo, dated 3 Aug 1972 — cooper.theunsolved.net/parts/Cooper-Part-112/pages/550

Transcript

The scan is the source; the transcript is machine-generated from it.

SAC, SEATTLE (164-81) 8/3/72

SA [REDACTED] b6 b7C NORJAK

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RE: RALPH MULVIHILL

MULVIHILL being considered as a suspect in this case because he participated in a test of the air stairs on the 727 conducted by the Boeing Company in 1963-1964.

It is noted that MULVIHILL's file was not available for review; however, one of the personnel participating in the tests whose file was available, was named RONALD LEE MULVIHILL.

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LEADS

SEATTLE DIVISION

At Seattle, Washington

Will contact Boeing employee RONALD LEE MULVIHILL concerning RALPH MULVIHILL and obtain sufficient background information as well as whereabouts on 11/24/71 to eliminate him as a possible suspect.

RNN:klb (3)

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[handwritten] Sub 479 16 V- 8 1- 2731 [stamp: partially illegible] SEARCH_D ___INDEXED___ SERIALIZED__[guess: CT]__FILED__ [guess: lot] V-I--C-AIL [illegible marking]

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DB COOPER-51447