There's no hiding that distinctly derisive tone to the question, but Charlie does his best to ignore it anyway. "No, we're not just walking in," he says, tone tight despite himself. "We'll take a nice little walk round the far side of the lot and hop the fence from there."

They haven't got time to fully case the place, but there's nothing stopping them from walking the perimeter - especially since, so long as they've got sharp eyes, she can take out any cameras they might theoretically have posted before someone gets a good look at them.