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a “1 =Mr, Gevhardt © @ DBE © (Attn: Mr, Qa - Rm 5714) a= LABORATORY _.« L- Mr. QML Annex) FEDERAL BUREAU OF INVESTIGATION | - Mr. a> WASHINGTON, D.C. 20535 — {f-< Houston (157-3433) sate: 6/24/74 7 +* = oarete Sptag? . r : ‘ | ws of From: Director, FBt . = REC-60 Re: HEARNAP; UNSUB; THREAT TO ASSASSINATE = rarrite no. 1-15200-/4 */ GOVERNMENT OFFICIALS, HOUSTON, TEXAS, OKLAHOMA; AND MICHIGAN, 4/4/74 Lab.No. E-2089-OA EM -8LA . Oo; HO |. Examination requested by: SAC, Houston . -Reference: _ - Airtel dated 4/30/74 > . Examination requested: Engineering - Cryptanalysis Remnorks: f 3 sy pou. . . y a Om a : 7) a ay, "’) (MAIL ROOM Spectrographic (voiceprint) examination of the unknown voice recorded on the Q1485 tape revealed few similarities to voice samples of male Symbionese Liberation Army (SLA) members received previously in Hearnap. . . The text of the Q1485 tape differs-in several ways from the text of .” previous SLA tapes, indicating it probably has no direct connection to these previous tapes. Revolutionary rhetoric is Limited, the caller uses no personal identification, both common in previous SLA tapes, and he refers _to "Patricia" rather than "Tania." The length and harangue characteristics as well as the specific nature of the threats in the previous SLA tapes are missing. | —_ The speaker appears to have a slight accent, indicating probable long Englieh usage, perhaps his entire life, but with some foreign lan infiuence. Enctosures (2)(2 Laboratory reports) ‘ . . Le > . . . ’ . pea f . _ : f ADMINISTRATIVE PAGE tu bey MAILED 100 7 MAY 2.4 1974 ¢ Fal 1 - San Francisc; TELETYPE UNIT{_) 7 : fy