[Birdman can't help but snort at the "making friends" bit. He suspects Cain knows exactly what he's laughing at and decides not to pick at that scab just yet. Maybe later.]
If people are shuffled in and out of this place, OBVIOUSLY there's some kind of a way out. Even if it isn't meant for putting people back where they came from, things can be modified. All you have to do is get creative.