[ Oh boy, he'll get to teach Jaime just like he taught Raven. ]

You have to chase a lot of leads. Most of which don't go anywhere, most of which won't allow you access. But you'll find people are generally trusting, especially if you act with authority.

[ Not to mention the pile of dead bodies Erik left after threatening them... ]

Talking to people is always the easiest way to get what you want.