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a” ~ ~ _ -- ” * - = a een) i , , 3 5 ie La ~ 4 . ne ~ FP ad z ‘oe * te. § { re ert an "e . ri at 4 y , ev ae ee ¥ FEDERAL BUREAU OF INVESTIGATION t tap or | COMMUNICATJONS. SECTION mh 1] CV PLAIN Mr.BrennanCD_. |- oo JAW 6 1971 Mr. Callahan. 9:01 PM NITY 1-6-7!) RUB Mr, Casper__j UNSUB, AKA J. EDGARYHOOVER-VICTIM; PRESIDEN . Ofiice of Origen VICTIM; VICE PRESIDENT “AGNEW-VICTIM. EXTORTION. -OO-CLEVELAND. ‘ \ 7e Ses January CLEVELAND DIVISION: RECEIVED dail SIXTH, SEVENTYONE FROM U.S. POSTAL INSPECTOR'S OFFICE, CLEVELAND, OHIO, THREE MANILLA ENVELOPES (TWELVE INCHES BY NINE INCHES) THAT WERE WITHDRAWN FROM THE MAIL STREAM AT CLEVELAND, OHIO BY THE POST OFFICE: AND FORWARDED BY COVER +t ‘ LETTER TO THE FBI, CLEVELAND,.BY POSTAL AUTHORITIES. NUMBER ONE ENVELOPE WAS EMPTY BUT,HAD WRITTEN ON THE OUTSIDE ra EXTREMIST SLOGANS, “POWER TO THE PEOPLE” AND “DEATH TO THE PIGS". ; NUMBER TWO ENVELOPE BORE FBI, CLEVELAND ADDRESS AND ADDITIONAL SLOGANS. ‘ON BACK OF THIS MANILLA ENVELOPE WAS FOL (Wine “KILL NIXON, \ END > ON a i PAGE ONE 9 JAN 1S 1971 t ; —SneeEe queeN sree _] [Ale MR SULLIVAN FOR THE DIRICTGR