WASHINGTON — The murder of 23-year-old Ukrainian refugee Iryna Zarutska on a train in North Carolina last month has sparked ongoing concerns about crime in the US.A video released on Friday by the CharlotteWASHINGTON — The murder of 23-year-old Ukrainian refugee Iryna Zarutska on a train in North Carolina last month has sparked ongoing concerns about crime in the US.A video released on Friday by the Charlotte