Not sure... it might be a gang, or a posse, but other than those two answers I'm not entirely sure what it might be.
A group of criminals is often referred to as a "gang." Other terms that can apply include "mob," "crew," or "organization," depending on the context and the nature of their activities. In more formal contexts, they might be called a "criminal enterprise" or "syndicate."
Both male and female criminals are called criminals.
The criminals belonged to a gang named the Red Vipers.
The standard collective noun is a gang of criminals.
Nazi War criminals
they were a group of rustlers and criminals from the west.
so the omnicks atack and these people make a group of heros called overwatch but after the war the people call them criminals so overwatch splits up but then these bad guys make a group of people called tallon and overwatch secretly gets back together
The were called criminals.
The standard collective noun for a group that hunts criminals is a posse of police.The standard collective noun for a group of horsemen is a cavalcade of horsemen.
It was called the Nuremburg Trials.
They were called gladiators.
The person who performs the execution is called the executioner.