Elijah Wood Movie and A Boy who have Autism

This movie stars Elijah wood from the movie Lord of the rings , in it he is 10 or 9 and he is friends with a little girl the same age, there is a scene in the movie where the little girl puts worms in her mother’s clothes and Elijah was up in a tree near or in a cemetery. I think this is a lifetime movie where a teenage boy had autism and he went camping in the woods but another boy killed him, He thought he did something that he didn’t do, there was actually three of them. Three friends that was there but it was one of them that actually killed him, the one that killed him got life in prison, One got five years, because he tried to save him and the girl got about 10 to 12 years.