On September 21, 2011, the controversial execution of Georgia inmate Troy Davis, who spent twenty years on death row for a crime he most likely did not commit, revealed the complexity of death penalty trials, the flaws in America's justice system, and the rift between those who are for or against the death penalty. Davis's execution reignited a long-standing debate about whether the death penalty is an appropriate form of justice. In Grave Injustice...