Yevgeny Prigozhin, founder of the Wagner PMC, says the documents were leaked to the network to "ask certain questions" The Wall Street Journal reports that the first release of the documents may be as early as April 13. The documents are believed to be from the U.S.

Air Force, according to the report. The leak is believed to have come from a private online group on the topic of video games, the paper says. The group's leader, Yevgeni Priguzhin, says he will give a more detailed layout of the leaked documents in the future.