FBI LABORATORY
FEDERAL BUREAU OF INVESTIGATION
WASHINGTON, D.C. 20535
January 31, 1979
To: SAC, San Francisco
From: Director, FBI
Re: RYMUR
Examination requested by: Criminal Investigative Division
Reference: Personal delivery by [name deleted] on December 7, 1978
Examination requested: Cryptanalysis – Duplication
FBI file no: 89-4286
Lab. No.: 7075 G/E UV SH
Remarks:
Results of the Document examination will be submitted separately.
[Page 2]
REPORT OF THE
FBI LABORATORY
FEDERAL BUREAU OF INVESTIGATION
WASHINGTON, D.C. 20535
January 31, 1979
To: SAC, San Francisco
Re: RYMUR
FBI file no: 89-4286
Lab. No.: 7075 G/E UV SH
Specimens received: The specimen was personally delivered by [name deleted] on 12/7/78.
Qc42: One Maxell C90 cassette tape marked in part “Last Hour”
Results of examination:
One direct copy of Qc42 was prepared on a magnetic tape cassette.
Qc42 and the direct copy were personally delivered to the Document Section of the FBI Laboratory on 12/7/78.
[Page 3]
FEDERAL BUREAU OF INVESTIGATION
WASHINGTON, D.C. 20535
Laboratory Work Sheet
To: San Francisco
Re: RYMUR
FBI file no: 89-4286
Lab. No.: 7075 G/E UV SH
Examination requested by: Legat, Caracas [crossed out, handwritten substitute: “Criminal Investigative Division”]
Examination requested: Cryptanalysis – [handwritten addition “Duplication”]
Specimens received: December 7, 1978, personal delivery from Guyana by [name deleted]
Qc42: Direct copy of “Last Hour” tape
[Handwritten notes]
Maxell C90 cassette tape marked in part “Last Hour”
Direct copy made on C90 cassette
Original & copy provided to [name deleted] 12/7/78