3 main ideas of chapter 30

Boo has shown himself to be a guardian angel. Trying to be as friendly as possible, Scout leads Boo to the porch and assists him into a rocking chair placed in a darker corner, where she thinks he will feel most comfortable.

The sheriff insists continually that Mr. Ewell fell onto his knife and killed himself, which irritates Atticus, who wants Jem to be treated as fairly as anyone else and not have exceptions made.

Finally Atticus concedes that,in this case, the truth would do Boo more harm than good.