Sami was the perpetrator.

Tom identified the perpetrator.

Tom is afraid of people who are more likely to be victims of violence at the hands of the majority than perpetrators of violence against it.

The perpetrator used a sledgehammer to smash his way through reinforced glass doors.

Sexual violence and mass rape have long been used as a weapon of war. It is not only the victims and survivors who suffer trauma - an entire generation of men, women and children are affected. All too often, the perpetrators remain unpunished.

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

The perpetrators received a well-deserved punishment.

Less than five percent of perpetrators of child sexual abuse are female.

We’ve implemented a comprehensive strategy to end gender-based violence around the world, from prevention, to treating survivors, to bringing perpetrators to justice. And we’re helping to remove barriers that prevent women from participating fully in their societies.

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