to dredge up someone's unsavoury past

Coordinate term: greyback

When I got Bilbo to their surgery the vet took Bilbo in for tests. […] His bloods showed nothing wrong at all.

the Norman trumpets from the battlements […] , mingled with the deep and hollow clang of the nakers, (a species of kettle-drum,) retorted in notes of defiance the challenge of the enemy.