Ruby
Except she didn't hurt him. She's just as much a victim here as he is, and putting his hurt on her isn't fair. Whoever killed her hurt him. That's where you want to focus the anger.
If only it were that easy. I know it probably seems like a simple thing, but it really isn't. Admitting to serious trauma's never quite as easy as it looks. There are hurts I have that I'm going to take to the grave because I'm just never going to have the strength to admit them. Pretty much the same thing here, except she at least manned up enough to admit it.