400000
104-10074-10349
2025 RELEASE UNDER THE PRESIDENT JOHN F. KENNEDY ASSASSINATION RECORDS ACT OF 1992
MEMORANDUM FOR:
1. D.aLavery, OGG
Via
Addona, DDO/PICG
Subject
** T
Classification of EX 3600
TEASER
Re your request for "a couple sentences of factual
data as 
to why this document 
is classified" here they are:
Ex post facto, 
since I was not associated
with Operation 
MHCHAOS 
during its existence, I can only:
offer the following reasonable 
surmise. As we now know,
during its tenure MHCHAOS was 
one of the most sensitive
operations conducted under 
DDP aegis, repeatedly sanctioned
(in writing) by the DCI. The 
activity was deemed so sensi-
tive that it was controlled by/
through extremely restricted
handling channels. I think it 
follows logically,
in my view, that any 
document produced by MHCHAOS, whether
at least
a formal or informal one, would 
have been classified at
least SECRET.
2. Does the information in this document warrant
classification 
today.
current classification of CONFIDENTIAL is proper Reading
think 
it does, and I believe the
535101SE PREVIOUS
EDITIONS
'Date'
RETURN TO CIA
Background Use Only
Do Not Reproduce
14-00000
MEMORANDUM FOR:
Pgs. 2 through 12 carefully, it is readily apparent that
some of the information 
on some of these pages was seemingl
acquired from/through 
sensitive sources/methods. Also
these pages 
contain frequent mention of FBI information con
cerning many of the 
Peace Movement groups/organizations git
cited; FBI,
[reports 
received by MHCHAOS were
classified, for the most part CONFIDENTIAL.
...
invariably
3. What should be the proper FOIA exemption for EX
3600; 
in my view, (b)(3).
FORM
101
USE PREVIOU
EDITION:
Date
Haefner
C/SCB/IP
Apr 77