Wall Street JournalRussia's Attack on US TroopsWall Street JournalBusinessman Yevgeny Prigozhin, left, shows Russian President Vladimir Putin around his factory which produces school means, outside St. Petersburg, Russia, Sept. 20, 2010. Photo: Alexei Druzhinin/Associated Press. By. The Editorial Board. The Editorial ...What we know about the shadowy Russian mercenary firm behind an attack on US troops in SyriaWashington PostSyria war: Who are Russia's shadowy Wagner mercenaries?BBC NewsRussia's most advanced fighter arrives in SyriaCNNBreitbart News -ABC Online -GANT News -CBS Newsall 156 news articles »