run someone to ground

run (someone or something) to ground

To succeed in tracking down the location of someone or something after an extensive or exhaustive search. After nearly three months of searching, we finally ran the suspects to ground. The record is quite rare, but I managed to run a copy to ground at a flea market in Atlanta.
See also: ground, run, to
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

run someone to ground

BRITISH
If you run someone to ground, you find them after a long search. The thief was eventually run to ground in a garden shed. Compare with run someone to earth. Note: In hunting, this expression is used to refer to a fox being chased back to its hole.
See also: ground, run, someone, to
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
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