Remember, back in 2014, when a federal appeals court overturned the convictions of two hedge-fund managers who’d been caught up in then U.S. attorney Preet Bharara’s crackdown on insider trading on Wall Street?

Though Bharara had won almost 80 convictions to that point, the pro-defense ruling, known as United States v. Newman, threw a wrench in the works. Bharara had to toss out a number of cases—including several against defendants who had already pleaded guilty.