https://www.washingtonpost.com/news/the-switch/wp/2018/06/04/did-facebook-allow-chinese-firms-zte-and-huawei-to-access-user-data-a-lawmaker-wants-to-know/

A top lawmaker in the U.S. Congress is questioning whether Facebook allowed two Chinese telecommunications firms with alleged ties to their country’s government to harness data about the social network’s users, potentially subjecting their personal information to new privacy and security risks.