[ Charles nods, his mood slipping into something more somber. ]

I could move. Find a location nearer to where potential drop off sites are. Certain minds stick out easily. So we can at least have an early alert system. But it's not perfect.

[ Because Charles, of course, isn't perfect. And without Cerebro, there's only so much guessing he can do. ]

I think the best thing to do, besides gleaning for potential people, is to note where they are located. Build on something small.