"A team of legal experts and statisticians from Michigan and Pennsylvania used the latest statistical techniques to produce a peer-reviewed estimate of the dark figure that lies behind the death penalty." How many defendants sentenced to death in the U.S. are innocent? According to a recent study, about four percent.
+ The Economist: The Slow Death of the Death Penalty.
+ MoJo: This man is about to die because an alcoholic lawyer botched his case: "Despite the drinking, the stealing, the racist outburst, the abysmal courtroom performance, the disbarment, and the ultimate imprisonment of his lead attorney, an intellectually disabled man has ended up on the verge of execution."