The perpetrator was obviously insane.

The police alarm started at night and ended at dawn, with the arrest of the perpetrator.

Someone who sees something wrong being done and does nothing about it, is as culpable as the perpetrator of the act.

Yanni is the perpetrator.

The perpetrators received a well-deserved punishment.

The suspected perpetrator later died from his injuries.

Tom was framed to be the perpetrator of Mary's murder.

I looked with interest upon this man, who was accused of being the perpetrator of a crime of violence.

Sami was the perpetrator of the murder.

The perpetrator was arrested by an off-duty police officer.