Who is Laurie Pye from Crow Lake and what is their importance?

Laurie Pye is Calvin Pye's fourteen-year-old son. In public, Laurie is a quiet and almost shy young man who suddenly explodes on the schoolyard one day and beats the school bully. This event seems to be a catalyst that shows Laurie that he does not have to sit back and take the abuse at home. One Saturday, Laurie finally has enough of his home life and walks away, but he has nowhere to go. Laurie returns home, only to be confronted by his father and killed for his pains.