◆ SpookStack

She unknown volee in the aecond pertinent telephone Le Conversation on sgeciten ¢17 and the hacwn voice of on specizen F19 were subjected to spectrographic examination, which revealed sore spectral and sural sichierities, possibly esscciated with the sane speaher. The unknown voice in the first pertinent telezhone Ie conversation on specicen G17 and the knoen voice of SUE on epectwen ¥20 were subjected to spectrographic exarination, which revealed spectre] and aural divsisdilarities, normally associated with different speakers. The unknown voice in the second pertinent telephone 47¢— conversation on speciven C17 and the known voice of on speciven K20 were subjectec to spactrographic exasination, which revealed too few comperable words to nake a neaningful couparison, Voice identification hy the spectrographic methed is not consitereé a positive means of speaker identification and the xesults of such exasineticns are furnished for tnvestigative guizance only. frecitens 917, 719, and K20 have previously besn forwardad to your office, via registered mail. Psg¢e Two 16210630 © QB ’ 16218076 E QZ