Balthazar takes his time answering, examining the view out his windows with a vague air of calculation.

"The most cost-efficient way would be to simply unload them into someone who's got some extra room. A serial killer, a rapist, someone newly in a coma -- longterm catatonic bodies generally can't take the stress, or overcome the body's natural defenses for a fullblown case of possession," he says, all very laconic. "It would be temporary. Of course. The difficulty arises in the fact they almost certainly won't want to leave. We'll need to forcibly extract and bind them to another body or container -- we'll need a psychopomp."