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’ . : a) FD-302 (Rev. 1-25-60) ( FEDERAL BUREAU OF INVESTIGA’ ) Date O/ 25/ 62 67 Alcatraz Pen vise ARTHUR M, DOLLISON, Associate Warden, had. informed him that information had been developed to the effect that the escapees had used a motor | from the vacuum cleaner from the utility room in cell block A. GD stated that he went to this utility room and located the vacuum, He removed the cover which contained ‘ two motors and provides suction for the machine. : He stated he took the cover to the main gate and ob- taining a screw driver, he removed the screws holding the case covering the motors. WH «212 he discovered that one motor was missing an é¢ hole in which the motor ordinarily sat was covered iece cardboard glued to the case. See that the cover Bection was left at 1 the main gate and the vacuum cleaner was still located in the utility room of cell block A. . - wh on 6/14/62 gAlcatraz Island, California p,,, 4 SF 76-2887 by eee ee Date dictated This document contains neither recommendations ner conclusions of the FBI. It 4s the property of the FBI and is logned to your agency; it and ite contents are oot to be distributed outside your agency, « Qe ot] eee