Remember 2008? Subprime lenders at the big American banks crashed the economy. But only one faced criminal charges. In 2012, New York’s district attorney Cyrus Vance Jr. came down hard — somewhat surprisingly — on a small, family-owned bank run by Chinese immigrants.

Documentary filmmaker Steve James tells the story in his new film, “Abacus: Small Enough to Jail.” To view the full film, head on over to our friends at PBS Frontline.