Definition of "track down" [track down]

• To hunt for or locate; to search for; to find. (verb)

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• "But to really pin the murders on the guys who ran the marijuana operation, we have to track down the fourth man, the kid who escaped the murder plot, Craig Wilson."
• "But Ready Robinson was about as easy to track down as, well, Johann Smidt, so Detective Barnes decided to assume that Ready would take care of himself."
• "There were only two people Ready could think of who knew how to track down his computer address and successfully override his message-blocking software, and he was one of them."