N-COUNT
罪犯;犯错的人
When you are talking about a crime or something wrong that has been done, you can refer to the person who did it as the culprit .
例句
All the men were being deported even though the real culprits in the fight have not been identified.
尽管真凶尚未查出，所有参与斗殴的男子均被驱逐出境。