In some states by law, in others by tradition, judges imposing a sentence of death complete the grim ritual with the words "May God have mercy on your soul." In 1982, in Grundy, Virginia, a young miner named Roger Coleman was sentenced to death for the murder of his sister-in-law. Ten years later, the sentence was carried out, despite the extraordinary efforts of Kitty Behan, a brilliant and dedicated young lawyer who devoted two years of her life...