"Oh, uh, no."

He plays up his Irish accent, thickening it almost - but not quite - to the point where American ears might have difficulty deciphering it.

"I've just got a bit turned around. Can you tell me where, uh -" He produces a cellphone from his suit pocket and holds it up, squinting at the display and - did he just take a picture of the guard?

It rather looks like he did.