(Jae C. Hong | AP)That gap is being widened by social media. More than half of U.S. adults now get their news sometimes or often from social media platforms, and those platforms are fragmenting how Americans view what’s happening. Evidence paints complicated picture The killing of conservative activist Charlie Kirk has unleashed a frenzy of recrimination — and finger-pointing. Social media has been fertile ground for speculation around what motivated the alleged killer, Tyler Robinson. Already, social media pundits on the left are questioning whether the texts and interviews in the charging documents are real.