◆ SpookStack

| (Rev. 11-26-74) o) REPORT C) Laas. LAwoRAvORY EAS FEDERAL BUREAU OF INVESTIGATION WASHINGTON, D. C. 20535 To: SAC, Albany (164-47) January 21, 1976 From: Director, Federal Bureav of Investigation FBI FILE NO. vo UNSUB, aka | taswo. = Ld Re: Dan Cooper; . 7 NORTHWEST AIRLINES FLIGHT 350, YOUR NO, be PORTLAND, OREGON, TO SEATTLE, bIC WASHINGTON, 11/24/71; CAA —- HIJACKING: EXTORTION GO: Seattle Reference Letter dated December 10, 1975 The material described below has been searched in the following file without effecting an identification: Anonymous Letter Pile . Copies have been added to this file for future reference. The submitted material is temporarily retained. . ! MATERIAL SUBMITTED: Ql Envelope postmarked "LOS ANGELES M 18 NOV 1975" bearing hand printed address "Syracuse Police ; Department 511 So. State Street Syracuse, New York" Q2 Accompanying sheet of paper bearing hand printed letter beginning “To Whom it Concern, ..." and ending "...4£ you are wondering” Remarks: There were no watermarks, indented writing or other marks of value to aid in determining the source of Q1 and 02. ; Seattle im) vf Cue Py we 1 DB Cooper- “14998