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TO FROM SUBJECT: 5010-410 OPTIONAL FORM NO, 10 ee AGULY 1973 EDITION ve . GSA FPMR 141 CFR) 1061-11.6 UNITED STATES GOVERNMENT Memorandum * SAC, SEATTLE (164-81)(P) DATE? 12/4/74 a NORJAK On 12/3/74, an anonymous male caller, loud and possibly elderly, telephonically called the Seattle FBI Office and asked the writer if he was an “authority or a flunky." I gave him my name and position, and he demanded he be connected to a special agent. I asked him what information he had, and he then explained that he tried to talk to SAC JULIUS MATTSON, FBI Pordland, but could not get through to him. He said he will mail us a List of questions in a couple of days, and those questions will deal with captioned matter. He said the crime was a “great thing," and that fifteen people took part in it, not one. He then,said he would like to be there when the Victim plane is Sesearched by the FBI. He would not explain further. The caller was asked if he will have his name on the communication, so as to enable the FBI to contact him in the future if something needed clarification. He said that he would put a lot of numbers at the end and we could figure out the rest. DCA/ (23 b6 b7C Buy U.S. Savings Bonds Regularly on the Payrott Savings DB Cooper-13104