The main perpetrators, were never brought to justice as they were either killed during the war or missing in action.

He was convinced that the Mormons were the main perpetrators.

Instead of assigning a fact-finding team, they killed the main perpetrator and threw his body into the sea.

In fact it is the state security forces that are the main perpetrator of the killings.

Police identified the main perpetrator as a 17-year-old former student who was expelled in 1987.

After a lengthy historic legal battle the main perpetrator was declared guilty.

The media focus has been on the romani family as the main perpetrators.

Who do you believe are main perpetrators of that?

Casey comes to her rescue, attacking Mark, the man they believe to be the main perpetrator.

He's not the main perpetrator, apparently; he's more of a loose end.