inquisitorially

Wilson looked at him sharply, even inquisitorially.

His eyebrows lifted inquisitorially.

Second, administration is accompanied by a form of inquisitorial justice in which judicial institutions act assertively rather than passively, inquisitorially rather than adversarially.

Better, probably, to read it less inquisitorially, remembering Henry James's description of novels as loose and baggy monsters and taking this one's ending as a part of the bag that needn't be looked into too closely.