Navinder Sarao didn’t seem like the international criminal mastermind type. He lived with his parents, wore a choppy bowl cut and, instead of three-piece suits, he favored laddish track pants. He pedaled a bike around his suburban London neighborhood and would show up to important meetings munching on a McDonald’s Filet-O-Fish. But in 2015, the online futures trader — who’d earned tens of millions of dollars from his bedroom — was arrested and accused of contributing to a troubling 2010 market crash that momentarily wiped out trillions of dollars. “Nav was an irresistible character, and his was a really enticing ... (full story)