n.作恶者，行凶者，犯罪者

原形：perpetrator复数：perpetrators

The perpetrator was identified through DNA evidence found at the crime scene.
犯罪者通过在犯罪现场发现的DNA证据被确认身份。
Police are still searching for the perpetrator responsible for the bank robbery.
警方仍在搜寻这起银行抢劫案的作案人。
The perpetrator showed no remorse for the harm they had inflicted on their victim.
作案人对其受害者所遭受的伤害毫无悔意。
Witnesses provided a detailed description of the perpetrator, which helped create a composite sketch.
目击者提供了对作案人的详细描述，这有助于绘制出合成肖像。
The judge sentenced the perpetrator to 25 years in prison for the brutal murder.
法官判处该谋杀案作案人25年有期徒刑。
It was discovered that the perpetrator had a long criminal history involving similar offenses.
经查证，作案人有涉及同类犯罪的长期犯罪记录。
Security cameras captured footage of the perpetrator breaking into the store during the night.
安全摄像头拍到了作案人在夜间闯入商店的画面。
The perpetrator fled the country immediately after committing the fraud, but was later apprehended in a foreign jurisdiction.
作案人在实施诈骗后立即逃离了该国，但后来在外国司法管辖区被抓获。
The victim's family is seeking justice and hopes the perpetrator will be held accountable for their actions.
受害者的家人正在寻求正义，希望作案人能为其行为负责。
Investigators believe the perpetrator acted alone, without any accomplices, in carrying out the cyber attack.
调查人员认为，作案人在实施网络攻击时是单独行动，没有同伙。