Further details have emerged about when and how much Facebook knew about data-scraping by the disgraced and now defunct Cambridge Analytica political data firm. Last year a major privacy scandal hit Facebook after it emerged CA had paid GSR, a developer with access to Facebook’s platform, to extract personal data on as many as 87M Facebook users without proper consents. Cambridge Analytica’s intention was to use the data to build psychographic profiles of American voters to target political messages — with the company initially working for the Ted Cruz and later the Donald Trump presidential candidate campaigns. But employees at Facebook appear to have raised internal concerns about CA scraping user data in September 2015 — i.e.