In To Kill a Mockingbird, what chapter reveals that Boo Radley was mistreated by his father?
Details about Boo Radley's history are found in Chapter 5. As Scout sits with Miss Maudie one evening on her front porch, Scout brings up the subject of Boo, wondering if he is still alive. This draws Maudie into speaking with Scout about their neighbor, trying to dispel the rumors and gossip the children have heard about Boo. In doing so, Maudie implies that Arthur Radley had been abused by his father.