Famous detectives have used fingerprints as clues to track down criminals for decades, right?

名侦探利用指纹追踪罪犯已经有几十年的历史了，对吧？

I had to track these people down.

我要跟踪查找这些人，问他们究竟是怎么能做到那些事的。

Finally tracked down that transit cop, Murphy.

终于查到了那位站警 墨菲。

Best known for tracking down train robbers.

他们最成功的案例是追捕火车强盗。

Tracking down helpless infants too difficult for you?

找个小不点婴儿对你来说太难了？

They tracked the suspect down inside a bathroom.

他们在一间浴室里找到了嫌疑犯。

But so far none has been tracked down.

但到目前为止还未找到任何踪迹。

We've been trying to track him down.

我们一直在找他。

I've tracked down over the last year.

你列好了那些能接触到尸体的人的名单。

But American reporters track him down.

但美国记者找到了他。