Yevgeny Prigozhin, a former hot dog vendor turned powerful businessman known as “Putin’s chef,” heads the Wagner Group, a private military contractor whose fighters have been accused of atrocities in Ukraine, Syria and Africa. He is one of 13 Russians criminally charged with meddling in the 2016 US election to help Donald Trump win the presidency. He has now become the first Putin ally to admit to such interference after years of denials from Moscow that he had tried to spread misinformation to American voters. Russian trolls target Democratic candidates for President Biden in bid to secure gains for Republicans MARK MAKELA/GETTY IMAGES “We have intervened [in US elections]we are