Lips parting for a second, Hermione presses them shut again, before curiosity gets the better of her. "But what happens if you know that this individual is simply heading to a place where they can easily capture more hostages? I realize that I might be playing devil's advocate, but is there ever a case in which you might trust your hostage to be capable of retreating if there's no easy way for the criminal to double back without passing by you first?"