University of Cincinnati cop Ray Tensing indicted on murder charge for killing Samuel DuBose during traffic stop. The white University of Cincinnati cop whose killing of a black motorist during a traffic stop outraged African-Americans was indicted Wednesday on a murder charge. Officer Ray Tensing âpurposely killedâ Samuel DuBose after pulling him over for a âchicken crapâ infraction, Hamilton County Prosecutor Joe Deters said.