Braun followed Ackman to some Herbalife-related meetings and events. He was also interviewed for the documentary.Ackman's taken some extraordinary steps in his (so far unsuccessful) attempt to expose the company as a "fraud." In 2014, for example, he booked out a conference center in New York's Times Square and gave what he called "the most important presentation" of his career. The stock rose as a he spoke. And he just released a 13 minute film that includes interviews with alleged victims of Herbalife's practices. Allegations of corporate criminality and high-stakes Wall Street vendettas swirl throughout this riveting financial docu-thriller. Controversial...