“No hostiles. Seems to be self-propelled.” The trolley lurched over the steps. “I don’t know who’s driving this thing, but he could do with a few lessons.” Butler bent low to the ground, scanning the trolley’s underside. “No explosive devices visible.” He extracted a Sweeper from his pocket, extending the telescopic aerial. “No bugs either. Nothing detectable at any rate. But what do we have here?” “ h-oh,” said Foaly. “It’s a camera.” Butler reached in, pulling the fish-eye lens out by the cable. “Nighty-night, gentlemen.” - Artemis Fowl, Chapter 9