The perpetrator of the crime does not have to be traced before you can claim compensation.

不一定非要抓住罪犯之后你才能够索赔。

《柯林斯英汉双解大词典》

And then, 17 years later she saw the perpetrator face-to-face.

后来，17年后，她与行凶者会面。

youdao

Forgiving the perpetrator for his action does not mean you stop judging the deed.

原谅犯事者并不代表你已经停止裁定这件事。

youdao

They condemned the shooting as a hate crime and called for the perpetrator to be brought to justice.

VOA: standard.2009.08.04

So they learn in this story that the moral choices and actions of humans have consequences that have to be borne by the perpetrator.

他们在这个故事中学到了人类的道德选择和行为,必须承认由做恶带来的后果。

耶鲁公开课 - 旧约导论课程节选

It is also not rare,she says, for the perpetrator to be an uncle, cousin or other family member.

VOA: standard.2010.06.29

Its report acknowledged the burning of the woman, but said the perpetrator was not a Muslim.

NPR: Mosque, Orphanage Burned In New Myanmar Violence

Bleeding from the face, DeCoatsworth chased the perpetrator on foot for nearly two blocks.

CNN: Hero cop, who sat next to the first lady, charged with rape

"Police are presently doing their utmost to find the perpetrator, " the regulator said in a statement.

WSJ: Chinese Airlines Receive Flight Threats