(EST PUB DATE) FEDERAL BUREAU OF INVESTIGATION

• Document Type: FOIA
• Collection: FOIA Collection
• Document Number (FOIA) /ESDN (CREST): 01430369
• Release Decision: RIPPUB
• Original Classification: U
• Document Page Count: 2
• Document Creation Date: December 28, 2022
• Document Release Date: August 7, 2017
• Case Number: F-2007-00094
• Publication Date: January 1, 1973

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pproved for Release: 2017/07/31 CO1430369. �
FEDERAL BUREAU:OF'INVESTIGATI.ON
TSD-11.a.s had a close working relationship Nvith. the FBI. over .
the past ley; years. The FBI is the only organization that has
been fully.briefed-,orrrTS pj audio-4techn_iques-"2_nd equipinent. . The'.
following a...re situation.s -where .E.S0equipnaent- ancl guiep-rce ware
involved in operations:
Approved for Release: 2017/07/31 CO1436369
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(b)(3)
Approved for Release: 2017/07/31 C01430369,
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� (G) TS-D- has furnishedi. quipment items which con.sdtute -
an on-the-,shelf capability to engage in photo and
_audio surveillance :operations which might-not be
Imown to the Agency: In one case it is known that a -
relatively unsophisticated device was used against
a domestic targeg
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Approved for Release: 2.017/07/31 601430369