As ProPublica reported last year, Segarra sued the New York Fed and her bosses, claiming she was retaliated against for refusing to back down from a negative finding about Goldman Sachs. A judge threw out the case this year without ruling on the merits, saying the facts didn’t fit the statute under which she sued.

At the bottom of a document filed in the case, however, her lawyer disclosed a stunning fact: Segarra had made a series of audio recordings while at the New York Fed. Worried about what she was witnessing, Segarra wanted a record in case events were disputed. So she had purchased a tiny recorder at the Spy Store and began capturing what took place at Goldman and with her bosses.

Segarra ultimately recorded about 46 hours of meetings and conversations with her colleagues. Many of these events document key moments leading to her firing. But against…