They keep the society peaceful by setting up courts to sentence the criminals to some kinds of punishments.

他们通过设立法庭对罪犯进行判刑，由此来维护社会和平。

youdao

The criminals vainly sought concealment from the searchlight.

罪犯们试图躲开探照灯光，纯属徒劳。

《柯林斯英汉双解大词典》

The criminals know how to play the system and get away with it.

那些罪犯知道怎样钻制度的空子并逃脱惩罚。

《柯林斯英汉双解大词典》

People watching the show are asked to telephone if they have information that could help capture the criminals.

VOA: special.2010.05.05

In many cases,police and soldiers sent to fight the drug gangs have been accused of working with the criminals.

VOA: standard.2009.12.18

Since its beginnings sixty years ago, four hundred ninety-four criminals have been placed on the "Top Ten List."

VOA: special.2010.05.05

Unfortunately, the police have to abide by the laws and the criminals do not.

BBC: Is crime being tackled properly?

But we frequently hear shots fired here, and the criminals are better armed than the police.

NPR: Film Adds Fuel to Venezuela's Social Fires

Uh, are you going to claim the criminals and civilians are superior shots, LOL?

FORBES: Guns and Tragedy