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FD-263 (Rev. 1-7-72) ® ‘FEDERAL BUREAU OF INVESTIGATION. REPORTING OFFICE OFFICE OF ORIGIN ‘ DATE INVESTIGATIVE PERIOD SEATTLE SEATTLE 5/23/75 3/18 -— 4/31/75 TITLE OF CASE REPORT MADE BY TYPED By UNSUB; aka SS pipe Dan Cooper CIT? cure b7c NORTHWEST ATRLINES FLIGHT. 305 FROM PORTLAND, OREGON TO CAA - HIJACKING; EXTORTION SEATTLE, WASHINGTON 11/24/71 REFERENCE: Seattle report of SA[ sd atte b6 22/8/74, BIC jE BP 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 being processed. ; ADMINISTRATIVE: There are currently 763 suspects, 726 of whom have ‘been eliminated. New suspects are being developed and ex- peditious processing of the suspects continues. ACCOMPLISHMENTS CLAIMED fy} NONE ACQUIT- CASE HAS BEEN: FINES savines | Recoveries | T PENDING OVER ONE YEAR ZAIYES cise PENDING PROSECUTION OVER SIX MONTHS CJyres Gave APPROVED ON CHARGS DO NOT WRITE iN SPACES BELOW 8 - Bureau (164~2111) LY €/ & CONVIC. 1_- USA, Seattle _ (3% Seattle (164-81) Dissemination Record of Attached Report Notations a COVER PAGE DB Cooper-13521