Russia’s crimes in the occupied Ukrainian territories, including the massacres in Bucha, demonstrate a pattern of genocide that should be addressed domestically and ultimately at the International Criminal Court. It’s one big case, according to Ukraine’s Prosecutor General Andrii Kostin. Kostin made the statement two years after the massacre of civilians in the town of Bucha, shortly after Moscow launched a full-scale invasion on February 24, 2022. The Prosecutor General’s Office has recorded over 125,000 war crimes committed by Russian troops, thousands of them in Bucha. The ICC issued an arr…