Second mistrial declared in killing of black man by ex-Cincinnati cop

For the second time, a mistrial was declared in the murder trial of a white former University of Cincinnati police officer who fatally shot a black motorist during a traffic stop.Officer Ray Tensing shot once, hitting 43-year-old Samuel DuBose in the head after stopping him for a missing front license plate on his car in July 2015, a body camera worn by Tensing showed.A mistrial was declared last November after jurors could not agree on a verdict.