Man faces federal charge in killing of Ukrainian woman on Charlotte train  CTV NewsSuspect in fatal stabbing of Ukrainian refugee charged with federal crime  BBCIryna Zarutska: Gruesome train attack in Charlotte adds fuel to national debate on crime  CNNUkrainian refugee killed in North Carolina gets dragged into political messaging war  PoliticoSuspect in Charlotte train stabbing facing federal charges, possible death penalty: DOJ  ABC News