Decarlos Brown Jr., 34, is charged with fatally stabbing Iryna Zarutska, 23, aboard the Lynx Blue Line in August 2025 The man accused of killing a young woman on a North Carolina light-rail train has been deemed incompetent to stand trial in his federal case following a mental evaluation. Decarlos Brown Jr., 34, is charged in the fatal stabbing of Ukrainian woman Iryna Zarutska, 23, while aboard the light-rail Lynx Blue Line in Charlotte on Aug. 22, 2025.