hunt down

I knew not what wild beast we were about to hunt down in the dark jungle of criminal London, but I was well assured, from the bearing of this master huntsman, that the adventure was a most grave one—while the sardonic smile which occasionally broke through his ascetic gloom boded little good for the object of our quest.

Another point: I made it my business to hunt down some of Moriarty’s checks lately—just common innocent checks that he pays his household bills with.

James’s Hall I felt that an evil time might be coming upon those whom he had set himself to hunt down.

I said it in London, Watson, and I say it again now, that never yet have we helped to hunt down a more dangerous man than he who is lying yonder”—he swept his long arm towards the huge mottled expanse of green-splotched bog which stretched away until it merged into the russet slopes of the moor.