You begin to ask yourself what kind of person perpetrated this crime.你开始自问是什么样的人犯下了这样的罪。

A high proportion of crime in any country is perpetrated by young males in their teens and twenties.在任何国家的犯罪者中, 十几二十几岁的年轻男子都占了很高的比例。

Tremendous wrongs were being perpetrated on the poorest and least privileged human beings.对最贫穷和最没有特权的人们犯下了大量罪行。