Answer:
Walter Cunningham is the group's leader, and they travel to the Maycomb jailhouse in an attempt to lynch Tom Robinson. Fortunately, Atticus refuses to leave the scene, and Scout's presence is enough to make Walter rethink his actions. The Old Sarum bunch leaves without harming Tom Robinson.
Makes sense i understand why they would do it
Its C (inform) because the author is trying to inform the people about the lessons about human behavior.
I hope this was helpful.