Guillermo "Gilmer" Hernandez, former Edwards County deputy sheriff, says he feared for his life and was just doing his job when he shot at the tires of a vehicle carrying Mexican nationals after, he says, the driver tried to run him down. But federal prosecutors say that because the vehicle was heading away from him, he illegally used deadly force, violating the civil rights of a woman slightly wounded in the 2005 incident. Hernandez, 25, faces sentencing March 19 in Del Rio, where he has been held in a federal detention facility since being convicted, in December. He faces...