https://www.newyorker.com/news/dispatch/the-prisoners-in-a-cellar-in-the-ukrainian-village-of-novyi-bykiv

"A day later, on March 30th, the same commander came into the boiler room. He fired his gun into walls, and into the air, forcing people on their knees and shooting just beside them. Zanko and Tirpak believe he was drunk; Didyk said that the commander was crying. He didn’t want to do what he was about to do, he said. He needed to deliver four dead bodies, and he asked for volunteers. “We have nothing to lose, if that’s our destiny, so be it,” Didyk remembers one prisoner saying as he raised his hand. The Russians took two men away. A few minutes later, they came back and said, “We need two more,” Tirpak told me. “The selection process started again.” I asked Didyk who was killed. “Two older guys and two I didn’t know,” he told me. The soldiers gave each a glass of vodka before they were taken into the night."