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acl LABORATORY —a_ “FEDERAL BUREAU OF INVESTIGATION | = : -” WASHINGTON, D.C. 20535 7 ‘, .T@ SAC, San Franeisco (7-855) | Dee, March 12, 1974 _ 5 wr FS! File No. 7= 15200 4g REARNAP . Lab. No. D-740301053 PF - D-740304056 PP D~740306065 PF Specimens received 3 1-74 Kel6 Pp RAGS of two-page letter bearing purported writing of TILE Rugse4e Livre Spécimen received 3-h-74 Ke18 Photocopies of env d letter bearing purported - writing of Specimen: received’ 3-6-74 -- - nog ~ K19 Four sheets of paper and photoco typewritten letter all bearing writing . a so Result of examination: Due to the presence of unexplained varfiations and the lack of sufficiently comparable writing, a definite conclusion ' was not reached whether the unidentified questioned writing in this case, case captioned "SYMBIONESE LIBERATION ARMY (SLA) EM" or case captioned “AUGUST SEVENTH GUERILLA MOVEMENT (ASGM) EM* was prepared by any of the writers of Kel6, Kel8 and K19. K19 is attached. Kel6 and Ke18 are retained. Appropriate photographs were made. See ere