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TA a~Ses OCTOBER 22, 1969 PLAINTEXT fy . 1 = Mr, McKinnon = /U-” Ge FROM DIRECTOR PBI bac UNSUB, a Qn FRANK SaNATRA —. vreTtW, EXTORTION. REURAIRTEL TEN SIXTEEN LAST. INSURE VICTIM If AWARE OF THREATS TO HIS LIFE AND LOCAL AUTHORITIES ARE NOTIFIED OF THESE THREATS. KERP BUREAU ADVISED OF PERTINENT DEVELOPMENTS. CRM: ms (3) NOTE: Las Vegas has advised that 13 letters have been ' received through the mail at the Flamingo Hotel and Casino, Las Vegas, Nevada, addressed to the hotel and to victia., Readable postmarks on the letter shows that they were mailed from Joliet, Illinois, between 10/11 and 10/14/69. The 13 communications are rasbling in nature and would indicate the writer may be mentally deranged. The USA in Las Vegas stated the letters indicate a definite threat to the life of victin and investigation is underway to identify the writer. The : victim and local authorities should be made aware of the - _ communications received in Las Vegas. FEDERAL BUREAU OF INVESTIGATION ‘ COMMUNICATIONS SECTION gcT 22 969 * rama GIO} fe LEM | 4 en ters =i-227, T ELETYPE : ea ; (-5023/- GOS Rosen Sullivan Tavel Trotter Tele. Reom =< oes a ' 19 OCT eai969 | YY if