ASAC Bibler to SAC Seattle re Philadelphia theory that hijacker hid in inspection panel

This copy: Part 65 p. 65Also filed at Part 13 pp. 135–136 (primary)

This copy’s own title

ASAC Bibler to SAC Seattle re Philadelphia theory that hijacker hid in rear inspection panel

Document date 3 December 1971

Part 65page 651 pageDB Cooper-27285

Another copy of this document is the primary, most legible copy: Part 13 pp. 135–136.

Copies may differ in what was redacted.

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Id: Cooper-Part-65:065-065

Subject: Cooper Files: Cooper-Part-65:065-065

Document: Memo ASAC Bibler to SAC Seattle re Philadelphia theory that hijacker hid in rear inspection panel
Id: Cooper-Part-65:065-065
Page: https://cooper.theunsolved.net/documents/Cooper-Part-65%3A065-065

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FBI 164-81, Vault Part 65 p. 65 (DB Cooper-27285), Memo, dated 3 Dec 1971 — cooper.theunsolved.net/documents/Cooper-Part-65%3A065-065

SAC, SEATTLE (164-81) 12/3/71

ASAC PAUL R. BIBLER

UNSUB, aka Dan Cooper; NORTHWEST AIRLINES FLIGHT #305, PORTLAND TO SEATTLE, 11/24/71 CAA - HIJACKING; EXTORTION OO: SE

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SA [REDACTED] called from Philadelphia 12/2/71. He is the Agent who has been interviewing [REDACTED] [REDACTED] has a theory based on the fact that [REDACTED] told him subject appeared to be quite intelligent and did not appear to be dressed for jumping. Theory is that subject did not leave the plane until after it landed in Reno. [REDACTED] got someone to take him through a 727 and there are two inspection panels in the extreme rear of the plane, which are not readily detectable. In fact, [REDACTED] did not even know about these areas. The one on the right of the stairway door in the rear of the plane, is untenable for very long because it is full of heat ducts and other materials.

The one on the left has room for a man to stand along with the gear which subject had with him the other night. He would not freeze at below level, nor would he need oxygen at that level.

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[REDACTED] is putting this in a teletype, however, I telephoned ASAC DULINSKY in Las Vegas and asked him to determine if FBI personnel or airline personnel in their processing, inspected this compartment in Reno on 11/24/71. I also called Minneapolis where I talked to the duty agent [REDACTED] and asked him to have Minneapolis determine if airline personnel had been in this compartment in instant plane since it had been returned to duty and whether it showed any signs of occupancy. I told him that if they could not see if that panel had been opened, to determine where the plane is now so that it can be inspected.

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[handwritten] 164-81- [illegible] SEARCHED _____ INDEXED _____ SERIALIZED ___ AM FILED ___ DEC 0 [illegible] FBI—SEATTLE

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PRB:klb (3)

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DB Cooper-27285

Serials: SE 164-81