An investigation by Russian outlet Mediazona and BBC Russia has found that 20,000 of Wagner troops died during last year’s brutal assault on the Ukrainian town of Bakhmut and the majority were convicts recruited by Evgeny Prigozhin. Wagner led the attack on Bakhmut that was eventually taken by Russian forces, but very few regular Russian army troops were used in the assault, which was one of the bloodiest battles of the war in Ukraine. The Wagner PMC (private military company) group’s high death toll was due to its commanders simply throwing wave after wave of soldiers into the fight with litt…