What is there to see, really, that he probably hasn't seen a thousand times before? Of course, when you're cautious, you take any opportunity you can to make sure that you're safe. And once more, Maddie tries to appear as inconspicuous as possible.

The nervous man leaves, and Maddie is quick to take his seat, the vantage point better than it had been while she was concentrating on standing upright with the motions of the train. She offers a smile to Sam when he sighs, sort of wiggling her own phone in an attempt to offer her sympathy - not that she was really attempting to do anything other than look busy, anyway.

"It's particularly slow today, isn't it?"

She's not supposed to engage, but the comment is innocuous enough, he shouldn't think anything of it.