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Ny FOs36 (Rev. $-22-64y r © a FBI Date: 12/3/71 Transmit the following in ‘ (Type in plaintext or code) K TELETYPE NITEL g . (Priority} ] we ee we ea ee ee eee eee eee eee ee ee eee ee eee Le ee te ee ee ee ee TO : DIRECTOR, PBI (164-2111) PROM: SAC, SEATTLE (164-81) DAILY TELETYPE i UNSUB, AKA DAN COOPER; NORTHWEST AIRLINES PLIGHT #305, PORTLAND TO SEATTLE, 11/24/7. CAA ~ HIJACKING; EXTORTION. 00: SE. INVESTIGATION BY SEATTLE TODAY CONSISTED OF A INTERVIEWING VARIOUS PERSONS IN GENERAL VICINITY OF 'SEARCH AREA, WHO INDICATED THEY MAY HAVE SEEN OR OBSERVED SOMETHING CONNECTED WITH THE CASE. NOTHING OF SUBSTANCE DEVELOPED. SEATTLE CONTINUING TO CHECK OUT .QUOTE LOOK ALIKES ENQUOTE. Lee PORTLAND ADVISES TWO D.B. COOPER LETTERS RECEIVED IN PORTLAND; BOTH LETTERS AND ENVELOPES BEING FORWARDED TO a daar FBI LABORATORY. OTHER INVESTIGATION BY PORTLAND RELATING TO LOOK ALIKES CONDUCTED, WITH NO POSITIVE RESULTS. IN REGARD TO PHILADELPHIA TELETYPE TODAY, WHICH MENTIONED POSSIBILITY OF CONCEALMENT BEHIND INSPECTION PANELS IN FUSELAGE OF AIRCRAFT, LAS VEGAS ADVISED TODAY THAT BOTH OF THESE PANELS AND THE AREAS BEHIND THEM WERE INSPECTED WHILE PLANE WAS ON GROUND AT RENO, NEVADA. NOTHING WAS FOUND. PRB:k1b | | bY -F/ -b16 Apptoved: ———eeeeeeeeeee—“‘i‘“SW@t We MSOCOCéPet Special Agent in Charge ‘ DB Cooper-3074