Seth Freedman - Former Black Cube employee

HARDtalk's Sarah Montague speaks to Seth Freedman, former Black Cube employee. He freely admits to being a spy. Not for any government but for the private investigators Black Cube. It's one of the companies Harvey Weinstein hired to investigate his accusers. Seth Freedman posed as a journalist to gather information for Mr. Weinstein and says he was just doing his job. And that someone has to do it. But do they? And who polices this billion dollar shadowy world of private intelligence?