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FEDERAL CUREAL OF NE TR: run U. S. DEPARTMENT OF JUSTICE COMMUNICATIONS SECTION 1962 y e he é-, URGEN’ 6-25-62 16 PM PDST VEG Tp’DIRECTOR, FBI /76-26295/ FROM SAC, SAN FRANCISCO /76-2887/1 PAGE ATTENTION FBT LABORATORY... Gicos * : RE SAN FRANCISCO LETTER JUNE TWENTYTWO, SIXTYTWO, WHIWH TRANS- MITTED TO FBI LABORATORY MATERIAL BELIEVED CEMENT PAINT WHICH WASJ= )/7 DG OUT OF HOLES IN CELL oF Int PDE VIED MaxINe SUCH HOLES AND SAID THAT THEY MUST HAVE BEEN MADE BY SOMEONE PRIOR TO TIME HE WAS ASSIGNED TO CELL ON SEPTEMBER TEN, SIXTYONE. DETERMINED FROM ALCATRAZ RECORDS THAT CEMENT PAINT NOT PURCHASED FOR OR USED IN CELL BLOCK UNTIL OCTOBER, SIXTYONE. KNOWN QUANTITIES OF CEMENT PAINT AND PAINT BEING FORWARDED FOR COMPARISON WITH OTHER MATERIALS. END AND ACK PLS. oo 8 wa_16-vons-sicut_oF FIST CERO IRE 8 74- 26925 ~70 ms 7 ee 8 JUL 5 1982 6-17 PM OK FBI WA RAC co — =, TU DISC np” ee e B A JUE #24962