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4/17/64 Airtel To: SAC, Birmingham . From: --Director, FBI (157~1025) JUNE — ~ BAPBOMB —— |) Ape i! set | 11 APR 21 1964 ings moan “SAPR Swag Bern TELETYPE UNIT Advise symbol numbers and status of technical coverage presently in use by your office in connection with this case, Reply should be furnished on Form FD-143, justification for continuation of technical or microphone surveillances, Me 1- or Room 815 RB RBL: jh/cages (5) NOTE: The Birmingham Office has utilized various technical surveillances in connection with the bombing of the Sixteenth Street Baptist Church, Semiannual evaluation is being made and the technical installation and information is needed as to whether coverage should be continued, : pemmmenat Remmntens SR