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wt FEDERAL BUREAU OF INVESTIGATION me WASHINGTON, D.C. 20535 Te: SAC, Los Angeles (71627) Date: culy @, 1974 . _, FBU File No. 7-15209 ‘Ret HEARNAP Leb. No. Do740617114 PF t wat Bpectaens recelved 5 717/ Th Q154u7 Envelope bearing the notatson "NEWS ER * Ql548 Sheet of paper bearing the typewritten message beginning - "SUBJECT: SHOOTMOWN OF POLICE HELICOPTER THIS IS TO CLAIN., «.” , | “Resuit of examination: O15457 and 01558 were not associated with material maintained in the Anonymous Latter File. Copies have been added thereto. The typeyriting on Q1543 fs too limited and too - dndistinet to classify. However, this tvpewriting most closely resembles Laboratory standarda for Ransmeyer and Setag styles of type spaced 250mm per 100 characters. These styles of type are used on typewriters manufactured under brands names fneludings Calanda, Heraes, Japy, Princesa, and Montana. Q¥L through Qus, previously gubnitted in this case, were found to correspond to thesa styles of type} however, due to the dack of sufficient individual identifying characteristics, the limited nature of the tvpewriting and the indistinct nature of the submitted chotocopy, a definite conclusion was not reached whether these items were prepared by the sane typewriter. No typewriting on items submitted in the case captioned "Symblionese Liberation Army (SLA) EM" was found to correspond to these styles of ty3e, , The Q15%& photocopy is simidar.to Laboratory standards for photocopies made from an OlLivatti Corporatiotitcopier which uses coated naper. | . SERIALIZER - EYL EG a . ~ The lattera affixed to Q15W7. are aAtick-on te sfer pe letters, oe Q1547 and 01548, which havg-Dean_ pnotognapned, are ee ee exe 1 4 _. being returned saparately. ho . — - 795 Pe pe eo ae a eee EN YN Ma eet So tn lee oe toy - A en yi St OO ee Te Ly ee cae he ete oe wake a “y og NT a F 2 Fae J =F