As mock inquisitors grill him, top aides take notes and critique the answers with the President afterward.

当伪装法对他严刑逼问时，高级副们在旁记录，后来又把供词重新检查了一遍。

Some reckon its failure to unearth masses of new information is down to a mix of mendacious reticence on the part of key witnesses and the pusillanimity of their inquisitors.

一些人承认，没能发现大量新信息是由于关键证人虚假沉默和胆怯。