ruslan leviev, an activist whose group monitors the russian role in syria says prigozhin's empire isve. >> translator: a group of companies controlled by prigozhin includes many well-known to u.s. structures, one of the most famous projects is the troll factory that specialized in propaganda and informational war. it's the wagner private military company which was initially formed by his personal security guys. dmitri utkin used to work in prigozhin's security service. >> last year prigozhin denied being linked to wagner. his company saying quote, we do not have any information about this organization. cnn's efforts to reach prigozhin and wagner were unsuccessful. for its part the russian government is also reluctant to talk about last week's incident. which is of no comfort to the families of these and other men killed in the syrian desert. and there still aren't really any numbers as to how many russians were possibly killed in that attack that took place. but we do see, natalie, on social media, more and more family members, more and more organizations, coming forward and not just