Serial 2214

FBI LABORATORY
FEDERAL BUREAU OF INVESTIGATION
WASHINGTON, D.C. 20535

May 23, 1979

To: SAC, San Francisco (89-250)
From: Director, FBI
Re: RYMUR

Examination requested by: SAC, Columbia
Reference: Airtel dated 1/11/79
Examination requested: Duplication
FBI file no: 89-4286
Lab. No.: 90116002 E SH

Remarks: For information of Columbia, due to the large volume of tape recordings received in this matter, no enhancement examinations are being conducted except in exceptional circumstances. Additionally, the interference and distortion present on the radio transmissions are not generally amenable to enhancement.

One copy of Q831 has been submitted to the Technical Evaluation Unit of the FBI Laboratory for such examination as they deem appropriate.

[page 2]

Report of the
FBI LABORATORY
FEDERAL BUREAU OF INVESTIGATION
WASHINGTON, D.C. 20535

May 23, 1979

To: SAC, San Francisco (89-250)
Re: RYMUR
FBI file no: 89-4286
Lab. No.: 90116002 E SH

Specimens received: 1/15/79

Q831 One 3-inch reel of .25-inch magnetic tape

Results of examination:

Two direct copies of Q831 were prepared on Maxell C 45 magnetic tape cassettes.
One cassette copy of Q831 was hand delivered to the Document Section of the FBI Laboratory on 5/22/79.

Q831 and one cassette copy are being forwarded to the San Francisco Office under separate cover via registered mail.

[Page 3 – Handwritten notes summarizing findings on page 2]

Originally posted on November 8th, 2020.

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