When there’s a Russian corpse that needs collecting, Capt. Anton gets the call. Sometimes, he’ll receive a text with coordinates of where the body is located. Other times, people offer to lead him to the site. After single-handedly bagging more than 250 dead enemy soldiers, Anton has created something of a reputation in Ukraine’s northeastern Kharkiv region. Rather than spending time and energy searching for corpses, he can now work off referrals. Last weekend, he followed a car of soldiers down a dirt road in Tsyrkuny, a village outside of Kharkiv. At the edge of a field was a decayed...