Tom Robinson wasn't ever guilty. He was accused of being guilty though because of his race.
Edit: It was at the end of chapter 21.
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Tom Robinson is introduced in Chapter 9 of "To Kill a Mockingbird" when Atticus Finch is assigned to defend him in court against false accusations of raping a Mayella Ewell.
Mr. Ewell shared his side of the story in Chapter 17 of "To Kill a Mockingbird." In his testimony, he claimed that he saw Tom Robinson assaulting his daughter Mayella.
In Chapter 15 of "To Kill a Mockingbird," the mockingbird is symbolic of Tom Robinson, a man unfairly treated by society despite his innocence. Just like the mockingbird, Tom is an innocent and kind individual who is wrongfully targeted and harmed by the prejudiced beliefs of others.
Tom Robinson's age is not explicitly stated in Chapter 19 of "To Kill a Mockingbird." In the novel, Tom Robinson is described as a young black man, but his specific age is not mentioned in this chapter.
Atticus delivers his closing argument in Chapter 20 of the novel 'To Kill a Mockingbird.'
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Mayella Ewell falsely accused Tom Robinson of assaulting and kissing her in Chapter 18 of Harper Lee's novel "To Kill a Mockingbird." She claimed that Tom forced himself on her, which was later revealed to be a lie during the trial.
Tom Robinson was found guilty in Chapter 21 of Harper Lee's novel "To Kill a Mockingbird".
The mob scene in "To Kill a Mockingbird" occurs in Chapter 15 when a group of men go to the Maycomb jail to try and harm Tom Robinson. Atticus Finch intervenes and diffuses the situation, ultimately protecting Tom from the angry mob.
Atticus' client's name in "To Kill a Mockingbird" is Tom Robinson. He is a black man falsely accused of raping a white woman, and Atticus defends him in court.
In chapter 28 of "To Kill a Mockingbird" by Harper Lee, Tom Robinson is often compared to a mockingbird. This is because like a mockingbird - a harmless and innocent creature - Tom is a vulnerable and kind-hearted person wrongly accused and persecuted by society. Just like a mockingbird should not be harmed, Tom should not be unjustly punished for a crime he did not commit.
In "To Kill a Mockingbird," Bob Ewell enters the courthouse at the end of chapter 20 to seek revenge on Atticus Finch and his children, Jem and Scout, for their roles in Tom Robinson's trial.