What foes bob Ewell say that proves his guilt?

Bob Ewell's guilt is demonstrated when he falsely accuses Tom Robinson of raping his daughter, Mayella, during the trial. He also shows his guilt through his violent and aggressive behavior towards Atticus Finch and his family, especially after the trial. Additionally, Ewell's attempt to harm Scout and Jem at the end of the novel further reveals his twisted and vengeful nature.