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FD-263 (Rev. 1-7-72) - ..FEDERAL BUREAU OF INVESTIGATION i REPORTING OFFICE SEATTLE TITLE OF CASE OFFICE OF ORIGIN ' SEATTLE UNSUB; aka Dan Cooper NORTHWEST AIRLINES FLIGHT. 305 FROM PORTLAND, OREGON TO SEATTLE, WASHINGTON 11/24/71 DATE INVESTIGATIVE PERIOD 3/18 - 4/31/75 5/23/75 CAA ~ HIJACKING; EXTORTION REFERENCE: Seattle report of sls atte b6 12/3/74. b7c ~P. Aeh- fs & ADMINISTRATIVE: The purpose of this report is to advise the Bureau of pertinent facts concerning this major case other than routine investigation of numerous suspects currently beng processed. There are currently 763 suspects, 725 of whom have New suspects are being developed and ex- peditious processing of the suspects continues. ¢ been eliminated. ACCOMPLISHMENTS CLAIMED FINES j/ CONVIC. SPECIAL AGENT APPROVED IN CHARGE COPIES MADE: 8 - Bureau (164-2111) * 1 - USA, Seattie “of 3 Seattle Gye? Searched " p Serialized. Ou Indexed... Filed = FO A COVER PAGE [xj NONE ACQUIT-]| cAsE HAS SEEN: zie PENOING OVER ONE YEAR XAJVES {_]no PENDING PROSECUTION OVER StX MONTHS Cjves favo DO NOT WRITE IN SPACES BELOW /bV4 Loss Ge Notctions DB Cooper-13515