It could mean he didn't want the case, or he resented being appointed.

Look, this kid's been kicked around all of his life...

The old man lived downstairs under the room where the killing took place.

This boy, let's say he's the product of a broken home and a filthy neighborhood.

You love Kentucky Fried Chicken, right?

Well, you want to know how things went at my job today?

Look, you need to learn how things work on this island.