FILE - Russian businessman Yevgeny Prigozhin prior to a meeting of Russian President Vladimir Putin and Chinese President Xi Jinping in the Kremlin in Moscow, Russia, July 4, 2017. Russia has engaged in under-the-radar military operations in at least half a dozen countries in Africa in the last five years using a shadowy mercenary force, Wagner, analysts say is loyal to President Vladimir Putin. The United States identifies Prigozhin as Wagner's financer. (Sergei Ilnitsky/Pool Photo via AP, File)