Agency: FBI
Originator: FBI
From: BARRON, JOHN R.
To: DIRECTOR, FBI
Document date: 04/26/1960
Document type: PAPER-TEXTUAL DOCUMENT

## Page 1

JFK Assassination System

Identification Form

Date:

6/8/2015

Agency Information

AGENCY : FBI

RECORD NUMBER : 124-10284-10164

RECORD SERIES: HQ

AGENCY FILE NUMBER :

CR 105-83720-3

Document Information

ORIGINATOR: FBI

FROM:

BARRON, JOHN R.

TO:

DIRECTOR, FBI

TITLE :

DATE :

PAGES :

SUBJECTS :

04/26/1960

3

EPE, ARVIER, MARIA JOSEFA MENDIZABAL, ASSOC, BAYO,

ALBERTO JR., CUBAN ACT, ADMIN

DOCUMENT TYPE : PAPER, TEXTUAL DOCUMENT

CLASSIFICATION : Secret

RESTRICTIONS : 1B; 4

CURRENT STATUS : Redact

DATE OF LAST REVIEW: 06/03/1998

OPENING CRITERIA : INDEFINITE

COMMENTS :

v9.1

DocId: 32303652

10

Page 1

---

## Page 2

, Report i brin

FD-265 (5-I3.S.)

Reporting Office

MIAMI

TITLE OF CASE

FEDERAL BUREAU OF INVESTIGATION

CONFADENTIAL

Office of Origin

- MIAMI

"Date

APR 2 6 1960

Investigative Period

4/6=4/7/60

Report made by

JOHN R. BARRON

CHARACTER OF CASE

JRB:

Typed By:

bna

MARIA JOSEFA MENDIZABAl

ARVIER, aka.

. Synopsis:

INTERNAL SECURITY - CUBA

REGISTRATION ACT - CUBA

AIL INPORMATTOR CONTAINLO

PORTIN IE LNCLASSIFIEDISOL

WHERE SHOWN OTHERALL

ClasS 90 my 5106-540/whe

Declassity on: DAOR (

REFERENCES: Report of SA JOHN R. BARRON dated 12/31/59,

at Miami.

CA HAS NO OBJECTION breau letter to Miami dated 3/22/60.

2:

copies made

DECLASSIRICATION AND/OR,

RÉLEASE ATE. INFORMATION CD/RSE

n591-C-

IN THIS DOCUMENT. JM

ABMINESTRATIVS

for review at TBIlQ by

750AMe. 109 917/77

6-25-97

Bureau

letter to Miami dated March 22, 1960,

instructed the Miami Office to carefully review its

file in instant matter with a view to suggesting additional

Investigation which might develop/competent evidence of

subject's agency relationship with a foreign principal.

It was pointed out that in the event the Miami Office is

unable to suggest any additional inquiries, a closing

report should be submitted setting forth briefly the

Department's opinion.

Further that the Miami Office

Approved

Copies made:

pecial Agen

in Charge

Bureau (105-83720)

(RM)

2

- New York (Info) (RM)

Do not write in spaces below

105-83720-3

SEC: 63

,INS,

New

York)

:(A11-039-008)

0X- 1051

1347

Miặmi (97-300)

- 7-475:)

25 APR 27 1960

OPIES DESTROVRNI 109-39)

3.7500 131074

Macy

RAß(is - State CA-ONIOS! =

-florana (U/c.p)

DATE

HOW F

BY _

3260

v92Sr

LON SECRET

property of FBi: - Tai ropert da bond lo you by the Fal, and nother 0J/D El Arbuted outido the agony do which locod,

F MAY 12 1960

i fit. 6 GOVERNMENT PRINTING

DocId: 32303652

Page 2

---

## Page 3

MM 97-300

DENTIAL

and New York office should be alery for any additional

pertinent data received concerning the subject.

Bureau is advised that a review of the Miami file reflects

that the subject's admitted activities centered on her

amorous inclinations for ALBERTOYBAYO, JR.

CubA

[CARLOS SISO MARY, Mal RET under development,

referred to in instant report as MM T-1, in contact

stated that he is in a position to observe the subject's

daily actions, and according to SISO, the subject has L ( J

no contact with, or does not associate with, any Cubans

or persons of Latin extraction. According to Dr. SISO,JC

MENDIZABAL is presently exercising her amoroys inclinations

on a Miami Beach attorney by the name of JACK LIPMAN,

whose office is located at 605 Lincoln Road, Miami Beach,

Florida.

In view of the above, the Miami Office does

not contemplate additional investigation of the subject.

However, the Miami Office will be constantly aware

and alert to any information which would involve the

subject in any Cuban activities in the Miami area which

would possibly constitute a violation of the Registration

or Neutrality Acts.

INFORMANT

IDENTITY

MM T-I is (CARLOS SISO (C]

MAURY J PSI under

development) (

LOCATION OF ORIGINAL INFORMATION

Instant report, pages 1,2.

-B-

- COVER PAGE -

WARNENTAG

SECREE:

980-10189%

DocId: 32303652 Page 3

---