◆ SpookStack

SF 7-855 MAH :njl (4) an envelope addressed to the San Francisco Examiner~Chronicle and its accompanying letter whic $s e same as e ove-mentioned letter entitled "Open Letter to the People". A xeroxed copy of this envelope is enclosed. This was recovered from a telephone booth in an Arco station at Castro and Market Streets in San Francisco. “A(S) 6 cards of latent prints from the telephone booth mentioned in the item above. , (6) an envelope addressed to the Oakland Tribune and its accompanying letter which is the same as the above- mentioned letter entitled “Open Letter to the People". A -xeroxed copy of the envelope is also enclosed. This was recovered from a telephone booth at the corner of 13th and- Broadway in Oakland, California. (7) 16 cards showing latent lifts from the telephone booth in Oakland and, in addition, two cigarettes and miscellaneous matches_ which came from this telephone booth * REQUESTS OF THE FBI LABORATORY The Laboratory is requested to review the enclosed cassette and make a voice-print comparison with cassettes previously furnished this matter and advise if a determina- tion can be made that the unknown male on the enclosed cassette is identical to‘one of the two unknown males talking in pre- vious cassettes. The Laboratory is also requested to advise that if the voice of the female believed to be the victim at the end of this cassette can be identified as the voice of the female ” in the two previous cassettes furnished. The Laboratory is also requested to furnish San Prancisco any further intelligence that may be discovered concerning the recording, such-as the make of the machine, possible significant background noises, or possible peculiar location where the recording may have been made .