In this Wednesday, Sept. 5, 2018, file photo, Facebook COO Sheryl Sandberg testifies before the Senate Intelligence Committee hearing on 'Foreign Influence Operations and Their Use of Social Media Platforms' on Capitol Hill in Washington.

Facebook on Thursday said it not only probed billionaire George Soros’ motivations for criticizing the platform, but also any potential investments he might have in the social media juggernaut, NBC News…

Photo Credit: Jose Luis Magana/AP, File