"Trustworthy?" Sam asked, naming another quality that, to him, was just as important. Especially in such an environment as this, where the resources they usually relied upon seemed to be, at least for the moment, out of reach. "Any of them know how they got here? Or are they blank, too?" He frowned, fingers twitching as though itching for a computer or a book or the journal, anything that might contain some scrap of a clue.