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} ooerben ent POR os 25Rb To: Re: REPORT of the FBI TECHNICAL SERVICES DIVISION TIDIOAAL BUREAU OF INVESTIGATION WASHINGTON, D.C. 20535 SAC, Atlanta (7A-1835 SF 12) (SO. 7) February 12, 1981 FBI FILE NO. 7718251 — LAB, NO. 01212069 E Oz ATKID; MAJOR CASE #30 CLIFFORD E, JONES - VICTIM (DECEASED) 8/20/80 KIDNAPING Specimens received September 22, 1980, under Laboratory Number 00922063 E 02 92 One 10 1/2~inch Ampex reel of 1/2-inch wide magnetic tape marked in part "8-21-80" on a white label. Specimens received: December 30, 1980, under Laboratory 4 Te rm % OL IC Number 01212069 E OZ Kl One Ampex 670, 30-minute magnetic tape cassette marked in part _ ¥ on side "1." K2 One Ampex 670, 30-minute magnetic tape cassette / marked in part "(MY on side "1." 7C- K3 One Ampex 670, 30-minute magnetic tape cassette marked in part , si on side "1." K4 One Scotch 10 1/2-inch reel of 1/2-inch wide magnetic tape marked in part "12/9/80." Result of examination: The unknown voice on specimen 02 and the known voices of SEMEMEEED on specimen Kl, QM@EE on specimens K2 and K4 an@ QE on specimens K3 and K4 were subjected to spectrographic (voiceprint) examination, which revealed spectral and aural dissimilarities between the unknown and the three known voices, which are normally associated with different speakers, Voice identification by the spectrographic method is not considered a positive means of speaker identification, and the results of such examinations are furnished for investigative guidance only. éL Page One Continued Over * 4 64 Fei/DOs