Laurel and Diggle in “Unfinished Business”

Laurel

You've been investigating this for two years and you haven't told anyone?

Diggle

It's a family thing Laurel. I would think you. of all people, would understand keeping secrets when it comes to the death of a sibling.

Laurel

I do. And because I do, I can tell you carrying a burden like that never ends in any way but bad.