"No." There's the slightest frown while he thinks that over. "No, it's not. It's different for grown adults who have received an education or are trained in an occupation. But it's difficult for those in their late-teens and other vulnerable people."

That may also give some clue as to why he uses two words.

"And with people showing up and disappearing regularly, there's no way to tell who is safe and who has slipped through the cracks." Although Charles doesn't sound like the type of person planning to sit back and watch terrible events unfold around him.