The 31-Year-Old Ukrainian Detective Hunting Russian Mass Killers
Ivan Dulkay is pursuing the Russian triggermen and their commanders for around 300 murders in the Kyiv suburb of Bucha image Ivan Dulkay is head of the team investigating Russian war crimes in Bucha, Ukraine. By James Marson, Oksana Grytsenko and Serhii Bosak Photography by Christopher Occhicone for WSJ Oct. 26, 2026 10:13 am ET Quick Summary -- Ukrainian detective Ivan Dulkay is leading an investigation to identify the Russian soldiers and commanders who killed over 300 people in Bucha. -- Dulkay and his team of 12 detectives have solved 86 of the killings and charged 32 Russian soldiers with murder and torturing civilians. -- Ukraine’s Prosecutor General’s office charged Russian Lt. Artyom Tareyev with war crimes and murder for his unit’s role in at least 22 killings. This summary was generated with AI and reviewed by an editor. Read more about how we use artificial intelligence in our journalism. BUCHA, Ukraine—For police detective Ivan Dulkay, retribution for the butch...