Part 114, page 61
DB Cooper-26932Serials SE 164-81
FBI 164-81, Vault Part 114 p. 61 (DB Cooper-26932), Report — cooper.theunsolved.net/parts/Cooper-Part-114/pages/61
Transcript
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SE 164-81 TJM:kdl
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were conducting door to door canvass in the vicinity of the southerly end of Cowlitz County. Total area covered by air was 800 square miles with negative results.
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Information was developed that a hitchhiker in the vicinity of Castle Rock, Washington had been picked up by an individual who was identified as [REDACTED], a resident of Cowlitz County, and this individual had a large number of twenty dollar bills in his possession. Investigation by the deputies of the Cowlitz County Sheriff's Office and SA THOMAS J. MANNING failed to show any twenty dollar bills in the possession of [REDACTED] and the identity of the so-called hitchhiker who made the phone call to the Sheriff's Office was found to be false.
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Information was developed at Ridgefield, Wash- ington that a salesman for a soft drink company had infor- mation that an individual of his acquaintance was the hijacker. Appropriate lead was set out to the Portland Division concerning this matter.
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Contact made with [REDACTED] Vancouver, Washington, reflected that the emergency equip- ment on aircraft can be activated automatically upon reaching a gravitational force of 5 Gs.
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On December 2, 1971 ten Agents walked in a defined search pattern the area in the immediate vicinity of the circle of search as set forth by Northwest Airlines. The terrain was found to be composed of fields which are being farmed and a number of impenetrable thickets which have fallen logs, hidden beaver ponds, and creeks and generally hazardous and most difficult terrain to search on foot. It was noted that in getting into the thicket and under- brush growth, it was so heavy that even if an item was five yards from the observer, it could easily be missed due to overgrowth problems. The area covered in this physical terrain search was 1 1/2 miles long and 2/3 of a mile wide and took approximately five hours. Negative results in the search.
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DB Cooper-26932