"That's very generous of you." She lifts an eyebrow, but she's not going to push. If he says it not an issue, then she believes him. Not much point in lying, is there? He's got nothing to gain.

That's usually the easiest way to tell if someone's being honest, at any rate.

"And in theory, I'd agree with you. But I've come across a lot of people that justice has failed, who were branded criminals wrongly. Some people who work outside the law but still do good work and have good intentions. It's not so black and white as to make it easy to say."