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Ke , a oe oe FEDERAL BUREAU OF INVESTIGATION - Date._3/12/74 - \ An Ampex cassette, 160, 350, housed in a Clear. plastic container, was played in order to determine if: ~ the cassette was the same as the one received from the . SyMbionese Liberation Army (SLA) on March 10, 1974. The | £fassette was identical to the one received on March 10,:. "1974, oe a! Upon rewinding the cassette, it was noticed les . that it was binding at four different times. This was- oe _ due to.the cassette being wound very tightly in the .. MERE . Manufacturing process. In order to keep from possibly 290:- _. stretching or breaking the tape, the rewinding process i vas halted and the cassette was sent to the FBI Laboratory. _ No copy of the cassette was made by the San Francisco . Office due to the possibility of damage to the cassette. 7 The cassette was received from Included with the cassette was one Phillips Ue : Executive Courtesy Card, bearing the number 6200032180, an the name of Mr. R. A. HEARST and an envelope with KDIA.. written on the face of the envelope. The cassette and credit card was retrieved from Foster's Restaurant, 19 _Pirst Street, San Francisco, at 12:58 a.m., March 11, 1974. rn v260s7 a or 58n Francisco, California leg SF 7-855 °° PO Fl ti ne Date dictoted 2722/74 . _ [tts document! contaias neither eecommendations nor conclusions of the FBE. it ls the Property of the FBI ond is loaned to your agency, 1nd its coniwnls Gre aol io be distributed ovlside your agency. 45