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“ADDRESSED TO KPFA RADIO STATION. ~~ - _- d ? TELETYPE TO SAC, SAN FRANCISCO | . . RE: HERARNAP ei 7-15200 . . “OBSERVED IN COMPARING HANDPRINTING ON PREVIOUS MANILA ENVELOPE Soot SUBMITTED FNVELOPE CONTAINED NO WATERMARKS, INDENTED WRITING OF SIGNIFICANCE OR OTHER CHARACTERISTICS TO AID IN DETERMINING ITS SOURCE. SUBMITTED ENVELOPE IS SIMILAR IN PHYSICAL CHARACTERISTICS TO PREVIOUSLY EXAMINED MANILA ENVELOPE, HANDPRINTING ON SUBMITTED ENVELOPE BEARS CHARACTERISTICS OF A FIBER-TIPPED PEN OR MARKER. A RED FIBER WAS FOUND ON THE METAL FASTENER TO SUBMITTED ENVELOPE. THIS PIBER WILL BE EXAMINED FOR PERTINENT CHARACTERISTICS. 7 . ee SF BEING ADVISED SEPARATELY OF RESULTS OF LATENT FINGERPRINT AND RADIO ENGINEERING EXAMINATION OF SUBMITTED TAPE CASSETTE AND ENVELOPE... — Ce LABORATORY REPORT FOLLOWS.