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12/6/71 AIRMAIL SAC, PORTLAND (164-41) SAC, SEATTLE (164-81) (P) UNSUB; aka Dan Cooper; Northwest Airlines Flight #305, Portland to Seattle. 11/24/71 CAA ~ HIJACKING; EXTORTION 00: SEATTLE ayt He and meeta the physical description of the UNSUB. No further information available from Chief MAY. It has been suggested in investigations in the Seattle Division tht Portland check airfield or jump area in the vicinity of Aurora, Oregon as possible place at which information concern~ ing UNSUB may be secured, b6 b7¢ po Oo possibiy ave information on suspects, in view of his past activities. LEADS PORTLAND At Portland, Oregon 1, Recontact ps for further information regarding ne 2 - Portland Os) Seattle JM/s1b @