◆ SpookStack

6-256 ' REPORT of the FBI TECHNICAL SERVICES DIVISION FEDERAL BUREAU OF INVESTIGATION WASHINGTON, D.C. 20535 To: SAC, Atlanta (7A-1635) (SQ. 7) March 13, 1962 FBIFILENO, %=26251— LAB, NO. 10210430 & OZ 16219076 & QE ATKID} i MAJOR CASE $30) : i KIDEAPING + Re: Specimens received Janpary 19%, 2981, under Laboratory Kurler 10129072 £ 93 G17 Gne Axpex 670, 45-sinute nagnetic tape cassette marked | in part °1-8-81° on side "1,* aN S.eclren received February $, 1%61, under Laboratory Huxber 10210630 E Qs y ’ andr rst h xis ue Angpex 670, 60-rinute ragnatic tare cassette parked /. 96, m part on side “Ae* Byecinen received February 168, 19%1, under Laboratory Kusher 16219076 B QE K20 One Maxell UD 90-minute magnetic tape cassette perked fo in part a side A, . Result of exaninations Thea unknown voice in the first pertinent telephone conversation on specizen G17 and the known voice of Charlies Lanton on specineon K19 were subjected to spectrographic (votce- peint) exerinetion, which revealed spectral and sural elaflarities, normally agesociated with the eaue speaker, Page One Continued Over GIL — Y '