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Seyprimaaasogg? Z jac fumcthrough technical sources should be adequately pritected whch vlaced sin ‘ fi Sort form. ° : r e mt S ys H Sa" 200-190707 Sac, Los Angeles August 8, 1945 { ~~ John Edgar Hoover = Director, Federal Bureav of Investigation : : ie] 3 BERTOLT EUGEN FRIEDRICH BRECHT, was _ INTERNAL SECURITY = Re Reference is made to the pending report of Special acon dated at Los angeles, California June 30, 1945 in the abo oned matter, a. te A review of reference report indicates that information attributed nfidential Informant BB-1 obviously came from a technical surveillance. veral statements contained on page 33 attrituted to this irforrant an could only have been obtained through a technical surveillance, For example, the remark: “Again on May 17, 1945, according to BR-1, ‘irs. _ Brecht nade several phone calls appearing to be of intercs:.. " ard: “Vary shortly after the above conversation, Mra. Brecht made a similar call to another woman called Gina....." and the statenent: "Shortly -f after this second conversation Mrs. Brecht talked ori the Byone with an unknown man, asking where Peter was at the present t: "7 | ne 4s you have been previously advised, >--- 1. $Srmation oltmisa@au OF i. erent = ageTyce 1 <= Glavii ws. 2