Which preposition to use with interrogator

in Occurrences 3%

The correction was at once made by his interrogator in the words "six months after the ratification of a treaty of peace" etc.

with Occurrences 3%

" Mrs. Hill's story seemed to ring true enough, although she kept her eyes fixed on her interrogator with a kind of frightened brightness.

as Occurrences 1%

Hast ever heard of me, in thy frequent visits to the port?" Maso smiled; at first, he appeared disposed to be facetious; but a dark cloud passed over his swarthy lineaments, and he lost his pleasantry, in an air of thoughtfulness that struck his interrogator as singular.

Which preposition to use with  interrogator