Pretty weak form of identification. Would be much more certain if the body had something Prigozhin is known to have rather than the body lacking something Prigozhin is known to lack.

Still, I think we all kinda knew he was dead the moment he was like “Actually instead of instigating a civil war in Russia I’m going to take this very generous deal they offered me where my treachery sees almost no repercussions whatsoever.”