In Mormon 4, Mormon describes the continuing battle between the godless Nephites and the godless Lamanites, commenting that "there never had been so great wickedness among all the children of Lehi, nor even among all the house of Israel…as was among this people" (verse 12).
Mormon observes that, although the judgments of God are being carried out against this people, it is actually "by the wicked that the wicked are punished; for it is the wicked that stir up the hearts of the children of men unto bloodshed" (verse 5).
It's an interesting observation that wicked people can get others stirred up to do wicked things. Think of riots or brawls where it starts with just a few people and then many others jump in. Slogans like "We don't have to take this anymore!" can easily get people going — even those who have no idea what it is they don't have to take anymore.
The New Testament gospels tell us of people being stirred up to shout, "Release Barabbas!" Maybe the people thought they were joining in on a just cause, showing mercy to a prisoner. Instead, they were being duped into helping to bring about the crucifixion of the Son of God.
We all deal with people who are, well, something other than peacemakers. For example: