Prejudice and ignorance are mostly evident through all the racist characters who believe Tom Robinson is guilty without any evidence, as well as those who don't care whether or not he had done and only want for an African American to suffer. Innocence is best explained through Scout who is not aware exactly of everything that's going on, but is having a difficult time understanding how people can hate a man because of his race. She sees what's going on but cannot understand how societies work because she is too young.