He very nearly explains: The security cameras have weak microphones. They’re only on the Mirror side (for now), with the exception of the weatherproof bug planted near the former Rabbit Hole. Some unused rooms aren’t currently being monitored.

He catches himself, however. If none of the Reals know the limitations of his current surveillance system, he could be anywhere. Or, even better, they could assume he has blind spots that don’t exist and let something slip in full view of the cameras.

“Humor me.” And, in case he needs proof that Jay is watching at all, he adds a small aside. “Nice to see you using your birthday present, by the way. The Real me would be touched.”