She scowled a little at that. The best motive she'd been able to come up with, so far, was morale. Happy prisoners weren't going to try to escape. But what Roy was suggesting was far more sinister. Far more...

Well. It threatened to dig up a lot of uncomfortable notions that Fatima would be better off leaving buried.

As the darkness shadowed her eyes, she turned back to look at the trees. "Yeah," she said. "Maybe. But then again, why would they need that? They can just drag more people in from other worlds."