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FD-302 (Rev. 1-25-60) ‘FEDERAL BUREAU OF INVESTIGA, | 6/22/62 Date b? 4. CE «2:05.20 Force, Alcatraz Penitentiary on June 12, 1962, located a homemade periscope approximately three and one-half feet long in of cell block B which he furnished to SA on June 12, 1962, =x 6/12/62 Alcatraz Isiand, California SF 76-2887 On at File # by Date dictated This document contains neither recommendations nor conclugions of the FBI. It 4s the property of the FB! and is loaned to your agency; it and its contents are not to be distributed wiltdede your agency. “yy ‘ we LS = ‘4