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power ard would Feveal to any expert what wae going on at Los Alonoe and indicate te the expert tts relation te the atom bomb. John As Derry (6 5-58236-Sertal 822) a _ Derry testified he was a Us S. Army officer from 1948 soshemen corns to 1946, He was aastgned te the Manhattan Engineer District at Oak Ridge, Tennessee, tn the capactty of a liaison officer. Jn that capacity he uvitstted Los Alanos from tine to tine. He had . $ a i t 3 ES eccasion to see the atom bomb which was being constructed at Los Alanos. He waa shown a crosa section sketch of the aton Bond which was drawn by David Greenglass and introduced aa an exhibit at the trial. Also, the court reporter read to Derry, David Greenglass'description of the atom bomb as gtven tn the testimony . of Greanglass. Derry testified that from the sketch and description he could perceive what the actual construction of the aton bomb frca was and that {t wae the type of atom bomb which wae dropped on Nagaeaki, Japan, tn 1945. He also testified that to his knowledge bout th bomb | . about the atom bomde ¢65_58236-Serial 874) ; out e _ Loute Abel, brother-in-law of David Greenglass, aan deatisied that about @ week before Greenglase was arrested, be received from Greenglasa @ package wrapped tn brown aanila a paper. A day or two later he looked into the package and observed tt contained money. He hid the package tn a hassock tn his home for safekeeping. At about 2:00 A.M. on June 16, 1950, es Ce ts