Clarence Dupnik, sheriff of Pima County, called Arizona the 'capital' of hatred after the Gabrielle Giffords shooting. He's no stranger to controversy. He has said the tea party brings out the 'worst in America' and called Arizona's immigration law 'racist.'
Federal authorities also charged Jared Lee Loughner, the Arizona shooting suspect, with two counts of murder. President Obama calls for a moment of silence Monday at 11 a.m. EST.