track something down

She might know something if you can track her down.

She took off last night and we're trying to track her down.

No matter where she goes, they always track her down.

Then I can track you down by following the sound levels.

King had some things to track down, just to make sure.

And what he did was to track down people like herself.

He's had no reason to track down a picture of me.

"How are we going to track down these people after so much time?"

Maybe we can track down the people behind this thing.

In case of trouble, they will track you down by phone.