How is the theme 'justice/injustice' portrayed throughout To Kill A Mockingbird? Any quotes would be of great assistance. Thanks

Let me
provide some quotes for you.  These are some comments fromabout the trial:

The one place where a man ought to get a square deal is in a courtroom, be
he any color of the rainbow, but people have a way of carrying their resentments right into a
jury box.  As you grow older, you'll see white men cheat black men every day of your life, but
let me tell you something and don't you forget it - whenever a white man does that to a black
man, no matter who he is, how rich...