The investigation opened by the Paris prosecutor's office concerns transfers of funds made between 2019 and 2021 and is the consequence of a request for mutual assistance from the American authorities who are interested in the financial circuits used by the financial circuits used by the Russian paramilitary group Wagner and its former leader, Wagner and its former leader, Yevgeny Prigozhin, who died in August in the crash of his plane in Russia two month by as soon as a 24-hour mutiny against Russian military leaders. According to the Paris prosecutor's office, “over the period from 2019 to 2021, several hundreds of millions of euros and dollars would have circulated in his cash accounts in France, corresponding to funds of possibly dubious origin and/or to flows without explicit economic logic