Facebook tells Congress it can't prove or disprove Trump-Russia collusion

Facebook informed Congress in newly released documents that it could not prove or disprove collusion between President Trump's campaign and Russians who may have used the online platform to try to sway opinions during the 2016 election.

In written questions from the Senate Intelligence Committee, Facebook representatives were asked whether metadata on their site could reveal possible collusion between Trump's campaign and the Russian government, a possibility raised by some researchers.
[link to thehill.com]