Memo · SA Himmelsbach to SAC Portland re IRS-relayed tip on Cooper suspect · 2 December 1971 · 1 pageAIType, title and date: machine-written — generated by an AI model from the transcripts, and it can be wrong. The scan is the source; the transcript is machine-generated from it.
Document date 2 December 1971AIDates: machine-written — generated by an AI model from the transcripts, and it can be wrong. The scan is the source; the transcript is machine-generated from it.
FBI 164-81, Vault Part 95 p. 1 (DB Cooper-40329), Memo, dated 2 Dec 1971, serial PD 164-41-163 (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-95/pages/1
The scan is the source; the transcript is machine-generated from it.
OPTIONAL FORM NO. 10
MAY 1962 EDITION
GSA FPMR (41 CFR) 101-11.6
UNITED STATES GOVERNMENT
Memorandum
TO : SAC (164-41) DATE: 12-2-71
FROM : SA RALPH P. HIMMELSBACH
SUBJECT: UNSUB; aka DAN COOPER;
HIJACKING OF NW AIRLINES
FLIGHT 305, 11/24/71
CAA - HIJACKING; EXTORTION
OO: SE
BUfile: 164-2111
---
RE: SUSPECT [REDACTED]
b6 per IRS
b7C per IRS
b3 per IRS
On above date, [REDACTED], Internal Revenue Service
Intelligence Unit, advised that [REDACTED], State of Oregon Tax
Department, telephone 229-5566, advised as follows:
[REDACTED BLOCK]
[REDACTED] furnished above info to SA [REDACTED]
b6 per FBI/IRS
LEAD: Portland at Portland: b7C per FBI/IRS
Attempt to involve or eliminate suspect [REDACTED].