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Aaaa 604,183370010]
2025 RELEASE UNDER THE PRESIDENT JOHN F KENNEDY ASSASSINATION RECORDS ACT OF 1992
SECRET
15 May 1995
FOR: David Marwell
Executive Director ARRB
FROM: John Pereira
CIA/Historical Review Group
SUBJECT : Mexico City/Sensitive Information
The Directorate of Operations prepared the attached
statement to assist the Assassination Records Review Board _
The statement explains the sensitivity of the records
related to telephone tap' operations in Mexico City_ This
may help provide a perspective for further discussions on
the subject.
Jetsrn
John Pereira
Attachment
SECRET
al
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13-00000
SECRET
SUBJECT : Release of Information on Mexico City Teltaps
1 Protection of sources and methods <and liaison equities
require that references to the Mexico City station teltap
activity be excised from any documents released under the
auspices of the JFK Assassination Record Collection Act 0f 1992 .
While the teltap activity mentioned in the documents under review
occurred some thirty_plus years a90 Syhe joint teltap operation
with Mexican liaison has never been terminated; it continues to
this day in a slightly different form
2 Release of any information that would constitute
official USG acknowledgment of the existencefof the joint teltzp
@pe rawbion would have a serious adverse impact @n current
operations Relations between the Station and the liaison
service ' would be affected, with the likely outcome 0 f
discouraging liaison from cooperating in similar ventures in the
future with Mexico City Station Official acknowledgment of the
existence 0f the joint teltap in the 1960 ' s would embarrass the
liaison Service given Mexico's strong brand of nationalism and
sensitivity towards the issue of sovereignty Vis a Vis the United
States Ther service probably would terminate its cooperation
with the: Station on the current joint teltap operation in order
to be able to defend itself against domestic critics
SECRET