When the Kremlin decided that it was foolish to keep sending yet more of its boys to die here, the Russian Army hit reverse gear. And as they did so, they expressed their dismay at their wretched performance against proper soldiers by butchering innocent civilians in the hundreds. By the way, satellite imagery taken during the Russian occupation shows bodies on the streets before the Ukrainians recaptured Bucha. The Russian Army carried out these killings. Full stop.