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we Peet + FD-36 (Rev. $-22-64) @ @: 66 7 FBl Date: 12/14/71 Transmit the following in (Type in plaintext o7 code? TELETYPE URGENT Via — (Priority) 1 > aoe ee ce em eee re ee me eee ee ee ee ee ee lS a ek ee ee oe oe ge oe TO : DIRECTOR, FBI (164-2111) FROM: SAC, SEATTLE (164-81) DAILY TELETYPE NORJAK. A"D.B. COOPER” LETTER RECEIVED BY THE “SEATTLE TIMES" DECEMBER THIRTEEN LAST, HAS BEEN OBTAINED AND FORWARDED TO THE FBI LABORATORY. SIMILAR LETTER ALSO APPARENTLY HAS BEEN SENT TO THE "WASHINGTON POST", THE "NEW YORK TIMES" AND THE "LOS ANGELES TIMES". THOSE OFFICES HAVE BEEN ASKED TO OBTAIN THEIR LETTER AND FORWARD TO THE LABORATORY. AERIAL SEARCH OF ROUTE TAKEN BY VICTIM AIRCRAFT WAS CONDUCTED BY THE SACRAMENTO DIVISION ON DECEMBER THIRTEEN LAST, UTILIZING A RENTED CESSNA ONE EIGHT TWO, WITH NEGATIVE RESULTS. SEATTLE CONTINUING INVESTIGATION ON NUMEROUS LOOK ALIKES. CEF:klb (2) A Y ~ 2 /.) Approved: f> Sent _ 2. __M Per —_LG DB Cooper-434 Special Agent/in Charge