[Sherlock eyes the newcomer over his turned-up coat collar, eyebrows lowering faintly in a combination of puzzlement and consternation. The reason for the latter is fairly obvious, the reason for the former a genuine confusion as to why people are approaching him despite the collar and his body language. The sigh, well. The sigh is surrender. Exaggerated misanthropy attracts attention.]

Doubt it. Really couldn't be arsed anyway. Sounds dull.

[He pushes himself away from the window, straightening, and gives Bruce an assessing look. Well. Canadian pickpockets with crossbows and shifty American physicists. Unlikely. Bit worrying.]

Well then, doctor, if you've any particular moral qualms about breaking and entering, now would be the time to start examining the masonry quite closely. If the door should happen to mysteriously come open while you're at it I'll be certain to let you know.