track down

British  

verb

1. (tr, adverb) to find by tracking or pursuing

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track down Idioms  

1. Follow successfully, locate, as in I've been trying to track down that book but haven't had any luck. This term alludes to the literal use of track, “follow the footsteps of.” [Second half of 1800s]

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Example Sentences

Isn’t tracking down possible kidnappers a good thing?

From Salon

Police say four men have been arrested and a special police team has been set up to track down other members of the mob.

From BBC

There are different versions but typically, teens organize a group of players and then track down and eliminate one another with shots from a water gun.

From Los Angeles Times

After a shooting in L.A.’s Fashion District, detectives sifted through encrypted messages to track down a sophisticated but clumsy band of thieves.

From Los Angeles Times

However, detective work by his sister-in-law tracked down a social media profile for Patrick Hanna.

From BBC