"The greatest trick the devil ever pulled was convincing the world he didn't exist," said Verbal Kint (paraphrasing Charles Baudelaire) in The Usual Suspects. This might have been true back in Kint's heyday, but nowadays it's depressingly obvious that devils do indeed exist, clad in the trappings of politics, religion or super-wealth as they sow conflict, contagion, oppression and conspiracy theories throughout the world.