Final answer:
It is true that Heck Tate claims Bob Ewell fell on his knife to protect Jem from scandal, which happens in Harper Lee's novel 'To Kill a Mockingbird'.
Step-by-step explanation:
To answer your question: It's true that Heck Tate claims Bob Ewell fell on his knife to protect Jem from scandal. This situation is discussed as part of the climax of Harper Lee's novel To Kill a Mockingbird, where Sheriff Heck Tate decides to report that Bob Ewell's death was an accident to prevent Jem Finch or Boo Radley from being charged with murder. In doing so, Tate makes a moral decision to shield the children from the legal system and the public scrutiny that would come with a trial, displaying a theme of protecting innocence within the novel.