Originator: FBI
From: SAC, SJ
To: DIRECTOR, FBI
Document date: 01/16/1962
Document type: PAPER-TEXTUAL DOCUMENT

## Page 1

JFK Assassination System

Identification Form

Agency Information

Date:

4/13/201

AGENCY: FBI

RECORD NUMBER :

124-10196-10499

RECORD SERIES: HQ

AGENCY FILE NUMBER : 159-504-IST NR 22

Document Information

ORIGINATOR: FBI

FROM:

SAC, SJ

TO: DIRECTOR, FBI

TITLE:

DATE:

PAGES:

SUBJECTS :

01/16/1962

6

FCH, TRA, REL, ASSOC, ANTI-RACKETEERING ACT

DOCUMENT TYPE :

PAPER, TEXTUAL DOCUMENT

CLASSIFICATION: Unclassified

RESTRICTIONS: 4

CURRENT STATUS :

Redact

DATE OF LAST REVIEW:

11/07/1997

OPENING CRITERIA: INDEFINITE

COMMENTS: INC 2 LHM

19.1

DocId: 32287223

Page 1

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## Page 2

FD-36 (Rev. 12-13-56)

Transmit the following in

Via

AIRTEL

FBI.

1/16/62

Date:

PLAIN TEXT

(Type in plain text or code)

AIRMAIL

(Priority or Method of Mailing)

TO:

FROM:

SUBJECT:

DIRECTOR, FBI

SAC, SAN JUAN (105-New).

FRANK CHAVEZ, aka "Frankie"

MANGE SECURITY DOMINICAN REPUBLIC (AN)

INTERNAL SECURITY-CUBA

Enclosed herewith are nine copies of a letterhead

memorandum and nine copies of an informant evaluation memorandun

dated and captioned as above at San Juan, fuerto. Rico.

Extra copies of this airtel and the enclosed

letterhead memorandum have been forwarded for inclusion in

Bureau File 92-5361-Criminal Influence in International Teamsters

Puerto Rico-Anti-Racketeering";

The source 1s Lieutenant RAFAEL ALVAREZ, Field

Operations Division, Police of Puerto RIco (POPR).

This Information was obtained on January 16, 1962

by SA'S JOSEPH F. CUNNINGHAM, JR. and RICHARD S. BEIER during

ALL INFORMATION CONTAINED

HEREIN IS UNCLASSIFIE

NATE/1-2 - 94 BY 508 MAC/KSL

5-San Juan

Influence In International Teamsters) (JFK)

1-159-12 (JAIME AMADOR)

1-159-17)

(FRANK CHAVEZ)

JAN: zhC

(13)

1/59-

504.

NOT RECORDED

199 FEB 1 1962

2 ENCLOSURE

MIT IN

Approved:

Sent

. M

Per

3c Special Agent in Charge

DocId: 32287223

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## Page 3

SJ 105-New

the course of Investigation being conducted in the case

"Criminal Influence in International Teamsters Union, Local

entitl

901, San Juan, Puerto Rico, ANTI-RACKETEERING" mentioned above.

Lieutenant ALVAREZ advised that the information

was furnished to the POPR by FEDERICO VIRELLA, Public Relations

official of the Local 901 Teamsters Union, who 1s a paid

Informant of the Police Department and operating under the

cover name of "ACE".

Lieutenant ALVAREZ advised that "ACE" could

furnish no other information other than that set out and was

unable to furnish any additional details regarding this informa-

tion.

Because of the informant's position with the

Teamsters Union,

the fork is concerned about protecting his

identity and believes that if the informant's identity were

mown, it would be difficult to obtain information of the nature

this

informant can furnish.

The letterhead memorandum is being marked "Confi-

dential" In that it contains Information furnished by "ACE"

a confidential informant of the POPR, who is a highly placed

teamsters official and should his identity become known, it

will destroy his future effectiveness and may endanger his

11ie.

No local dissemination is being made in that

such local dissemination could reasonably result in the identi-

fication of the aforementioned source.

concealed and he content had one stande

where necessary.

San Juan Office continuing contacts with Lieutenant

ALVAREZ and Information obtained from him will be reported in

pertinent individual cases:

-2-

DocId: 32287223 Page 3

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