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- Wagner Group mercenary leader Yevgeny Prigozhin is believed to have died in a plane crash on August 23.
- Without Prigozhin, Wagner's key operations, finances, and future are unclear, experts told Insider.
- But experts said it's unlikely Russia will give up the group's global networks. Instead, it will likely centralize them.
With the group's top boss, Yevgeny Prigozhin, presumed dead in a plane crash, Russia's mercenary Wagner forces are facing an unprecedented period of uncertainty — moreso than after a failed mutiny against Russian military leadership in June severely weakened the group.