...right. He doesn't. Robert has learned quickly - by necessity - the art of remaining untraced, and he has some rather skilled 'tutors' in it. Tutors who would, no doubt, be rather unhappy with what he's mulling over, furrowed brow and all.

Well, if he's going to use it...

"Cell phone," he finally says, reaching in to his jacket. "I have a 'burner', and while I can't say it's the most secure method, it's the only one I have right now."

Short of email, but there isn't exactly a yokai at underworld dot net address.

(Funny thing is, he wouldn't be surprised if that domain existed.)