https://www.reuters.com/article/us-facebook-cambridge-analytica-usa-cong/u-s-congressional-panels-probe-whether-russia-got-facebook-data-sources-idUSKCN1HC2MK >Investigators on two congressional panels are looking into whether Russia acquired the data of millions of Facebook users and if companies with ties to then-2016 Republican election candidate Donald Trump's campaign played any role in providing it, three sources familiar with the inquiries said.