““— The opening argument was one of Devlin-Brown’s favorite parts of a trial. In a case like this, it was sometimes all that mattered. The U.S. Attorney’s Office had a formula for it, a system that was passed down through generations of prosecutors. It started with what they called “the grab”—a quick, two-minute summary of the case, meant to capture the jury’s attention. The grab could begin in one of two ways. The first was with a big thematic idea, as in, “This is a case about greed.” Devlin-Brown preferred what he called the “It was a dark and stormy night” beginning, which dropped the jurors right into a dramatic scene. Just like in a movie. On this day, his version began with, “It was July of 2008.” He spoke in a gentle, even voice. “Mathew Martoma, the defendant, was one of about a thousand people packed into a crowded Chicago convention hall waiting for an expert on Alzheimer’s disease to take the stage.” Sidney Gilman, he explained, was at an international Alzheimer’s conference to unveil the results of a hotly anticipated drug trial. The results of””