Agency: FBI
Originator: FBI
From: LEG, MX
To: DIRECTOR, FBI
Document date: 4/10/64
Document type: PAPER, TEXTUAL DOCUMENT

## Page 1

Released under the John F. Kennedy Assassination Records Collection Act of 1992 (44 USC 2107 Hote).

D4X/01411-14-2017

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AGENCY INFORMATION

AGENCY : FBI

RECORD NUMBER

:124-10058-10007

RECORDS SERIES : HQ

AGENCY FILE NUMBER: 62-109060-2987

DOCUMENT INFORMATION

ORIGINATOR

: EBI

FROM

: LEG, MX

TO : DIRECTOR, FBI

TITLE

: [No Titlel

DATE

: 04/10/1964

PAGES

: 3

DOCUMENT TYPE : PAPER, TEXTUAL DOCUMENT

SUBJECTS : ADMIN, INSTR

CLASSIFICATION : UNCLASSIFIED

RESTRICTIONS : 4

CURRENT STATUS: RELEASED

WITH DELETIONS

DATE OF LAST REVIEW : 01/29/1996

OPENING CRITERIA : INDEFINITE

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## Page 2

Released under the John F. Kennedy Assassination Records Collection Act of 1992 (44 USC 2107 Hote) -

DATE: 11-14-2017

UNITED STATIC

/ERNMENT

Memorandum

IAFORMATICN CONT

HICL

RESTFIED

SHOWN

TO

DIRECTOR, FBI (62-109060)

OTHERWISE

DATE:

4/10/64

FROM

LEGAT, MEXICO CITY (89-6) (RUC)

BOR

SUBJECT:

ASSASSINATION OF PRESIDENT

JOHN FITZGERALD KENNEDY,

NOVEMBER 22, 1963, DALLAS, TEXAS

MISCELLANEQUS INFORMATION

CONCERNING

APPROPRAATE AC

AND FIELDON

WiS

ADVISED BY

JUTING

151 рой

ENCLOSURES:

SLIP (S)

DATE

Enclosed are 37 copies of a letterhead memorandum

dated and captioned as above,

of which 25 copies are for the

Dallas office, one copy for the detroit officer

and one copy

for the New York affice.

3.-29

Classi

REFERENCES:

Mexico City letter dated, 3/11

entitled RevA

FRANK BERNSTEIN,

SM: - C" (Bufile 100-343413,

DE file 100-181'

MC file 100-2363) and "JOSEPH BERNSTEIN, SM - C Buftle

100-68623, DE file 100-1817, MC file 100-2367 Dallas airte

to Bureau dated 3/19/64, with triple caption of instant case

"LEE HARVEY OSWALD, aka,

IS - R - CUBA" (Bufile 105-82555,

concerning reporting procedures to be followed;

Bureau cable

dated 4/3/64.

#20, dated 4/1/64; and Mexico t

AGENCY CIA

ClassiRer

DATE FORW

ADMINISTRATIVE: HOW FORM.

7/64

Dallas

2CC/etterx 25<HMITO

Iccletter+/CoLMATODE,NYO,ISHAWA

LLAlitI

- 4/22/64

ICLOSURA

offices.

The Mexico City Office Is not in receipt of these

Instructions, and it is suggested, if it has not already bee

Pris. Carun.

done, that the New York and Detroit Offices be instructed.

14

Bureau (Encs.

-

37%

28

- Dallas,

Section)

ST-nope

- Dallas,

89-43,

Encis.

.-1

64-1:91591

RECI

62-109060 - 29

25)

TAR TO 1064 L

FIRSTROYE

- Detroit, Info., Enc.

1)

- New York, Info,, Enc.

- 1 Yes n

COPTES a

Mexica city

Had frar

(15)

$ 4 JAN 2

1973

100-943413

Classif:

100-60673

Tempt

- GDS,

Data o:

121/2 100

ECLASSIFIED BY 566E SEATEDL

N.0/10/95

DocId: 32138490

Page

2

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## Page 3

nder the John I. Kennedy Assassination Records Collection Act of 1992 (41 USC 2107

ATE: 11-14-2017

MC 89-6

proceed carefullyn any investigation of this matter in order

not to compromisekMEX-18 and MEX-19, Bureau Informants operating

in Mexico.

That cable requested that MEX-18

and MEX-19 be pinned

• down regarding specifics..

These informants were recontacted

on 4/2/64 and furnished the additional details set forth in the (k)

enclosure.

These intormants have explained that, Inasmuch as

REVA FRANK BERNSTEIN (Bufile 100-343413, MC file 100-2363) and

JOSEPH BERNSTEIN (Bufile 100-68623, MC file 100-2367) are not

• 1 110 100.

presently in the Mexico Area, further details are unavailable.

Also, as is pointed out in the enclosure about REVA FRANK

BERNSTEIN, the Informants advised that the BERNSTEINS, as well

as ELIZABETH CATLETT. MORA (Bufile 100-395934, MC {1le 100-939),

are not individuals who will answer direct questions and, when

questioned

directly, they are known to terminate the discus.

sion

With regard to documentation in the enclosure on

GEORGE WILLIAM CROCKETT, JR. (BUIILe 100-30/143s MC I11e

100-1020), it is noted that

the Mexico City file is Incomplete

on this and that the Bureau has access to proper documentation.

With regard to EVE NIDERMAN, 1t 15

note as

that Mix

-18

and MEX-19 had no information regarding her.

SOURCES:

The confidential source mentioned in enclosed lett.

head memoranduncas MEX-18 and MEX-19 (MC f1le 134-10A) who

were

contacted by SA NATHAN L. FERRIS On 1/0,21; 2/6,13,26%

4/2/64

The second source 15/1-384-398 L

The third source 1syCSNY-2551-S

‹(Address of ELF).

CLASSIFICATION:

(Ц)

The enclosed letterhead memorandum is classified

'SECRET" to protectxMEX-18 and MEX-19, inno are informants 1

Vexico furnishing highly sensitive information involvin

espionage and information vital to the internal security of

the United States. It is essential that the identity of these

DocId: 32138490

CONFIDENTT

Page 3

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## Page 4

Releasea

Jinder the John F. Kennedy Assassination Records Collection Act of 1992 444 USC 2107

DATE: 11-14-2017

CONFIDENTI

MC 89-6

informants be fully protected, jespeclally since they are the

only source which received the Information from ELIZABETH

CATLETT MORA, FEVA FRANK BERNSTEIN, and JOSEPH BERNSTEIN, who

are not known to have discussed the information in the letter-

head memorandum with anyone else. Under the circumstances,

the protection of these informants is of paramount, interest.

to the continued operations of the Bureau in MexICO SECRET

this reason the letterhead memorandum is classified

COPIES:

Twenty-five copies of the enclosed letterhead memo-

randum are being designated for Dallas, the domestic office

of origin, according to instructions set forth in referenced

Dallas airtel.

И

Ten copies of the enclosure are being forwarded to

the Bureau inasmuch as referenced Bureau cable instructed that

the results of reinterview, with MEX-18 and MEX-19 pe incorporated

into a letterhead memorandum suitable for dissemination to the

president's Commission (

Inasmuch as the Detroit and New York Offices are

being furnished additional Instructions by the Bureau, one

copy of the enclosed letterhead memorandum is being furnished U

for the information of each of these offices.

CONFIDENTIAL

4064H106 - 3 -

1944

DocId: 32138490 Page 4

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