The campaign, the experts and officials say, appears to involve remnants of the media empire once controlled by Yevgeny V. Prigozhin, a former associate of President Vladimir V. Putin whose troll factory, the Internet Research Agency, interfered in the 2016 presidential election between Donald J. Trump and Hillary Rodham Clinton.
Why are they "experts"? Experts are a nonsense term. There is no actual evidence presented in the article