inside eastern ukraine where the war is playing out. horrors striking a city center as a top russian investigative reporter has new details for us about the phone calls leading up to the insurrection against putin. that reporter is my guest. and my full explosive interview with the ukrainian foreign minister, why he thinks the threat to putin is far from over, and his fears of an attack on europe s largest nuclear power plant. plus, a wagner commander speaks out to cnn about yevgeny prigozhin s bold coup attempt and what s next for the man who humiliated vladimir putin. let s go outfront. and good evening, i m erin burnett. welcome to a special edition of outfront. we are live tonight in eastern ukraine in the city of dnipro, a city on the road to the front lines of putin s war. behind me, you see blackness. but there is a city behind me of nearly 1 million people. it is just completely dark. after curfew completely dark. the street lights behind me are all shut off
thrust into the sunlight with their charge towards moscow. ukraine will have been both wagner s making and its undoing. its men inspiring a grudging respect even from their ukrainian enemies, its leader yevgeny prigozhin hailed a hero by moscow until he became the enemy. translator: he miscalculated. he made a mistake. generally speaking, the system rejects rational thinking. reporter: a former wagner commander himself, he says that prigozhin s hubris was fueled by battlefield frustrations. i m sorry bro, i m sorry. reporter: for months the wagner chief had railed against russia s military leaders, claiming they were starving the mercenaries of much-needed ammunition. translator: you think you can dispose of their lives? you think because you have