run someone to earth
run (someone or something) to earth
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 earth. The record is quite rare, but I managed to run a copy to earth at a flea market in Atlanta.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
run someone to earthBRITISH
If you run someone to earth, you find them after a long search. Last month, he was run to earth by Greenpeace at his home in Bridgehampton. Compare with run someone to ground. Note: A fox's hole is called an earth. In hunting, this expression is used to refer to a fox being chased back to its earth.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012