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7- 26-78) REPORT of the .. LABORATORY FEDERAL BUREAU OF INVESTIGATION WASHINGTON, D. C. 20535 To. John M. Price, Esq. January 26, 1979 District Attorney for. LOCAL & STAE Sacramento County P.0. Box 749 FBI FILE NO. 95-227428 Sacramento, California 95804 LAB. NO. 81221051 E QZ Attention: b6 Re: Criminal Investigator 78-05926 b7C YOUR NO RICHARD T. CHASE, SUSPECT; UNNAMED VICTIMS; HOMICIDE Examisation requested by: Addressee Reference: Letter dated December 18, 1978 Examination reguested: Enhancement Speclmen received: December 21, 1978 Q1 One Scotch .Avc, 60 minute magnetic tape cassette marked in part "NANCY HOLDBN!' on side 1 Results of examination: Two electronically processed copies were prepared. of specimen.Ql, with one copy on a magnetlc tape cassette. and one copy on a 5-inch reel of magnetic tape in a full- track contiguration at a recording speed of 3 3/4 inches per second. Only a slight improvement in voice intelli- fibility could be obtalned on the processed copies due o the high level noise and distortion in the speech. 1979 MAILED 13 Irequency range. Specimen Ql and the processed copies were forwarded JAN 2 your office on December 26, l978, via registered mail.. This examination has heen made with the understandigy thasthe evidence is contected with an officia! A ation of a criminal matter and that the Laboratory r Je used for official pyrposes only related nvesligationor a subsequent criminal prosecution Athorizatioannot be granted fore o Q5- 22742 8-8 16' JAN 30 1979 r b6 b7C 62FEB13197 MAIL ROOM F81/D0