State-Sponsored Horror in Oklahoma

By THE EDITORIAL BOARDAPRIL 30, 2014

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At 6:36 p.m. on Tuesday in McAlester, Okla., Clayton Lockett started kicking his leg, then twitching, then writhing and moaning in agony, and everyone watching knew something had gone terribly wrong. Mr. Lockett, a convicted murderer, was strapped to a gurney in the death chamber of the Oklahoma State Penitentiary, about to be executed by lethal injection, but the untested combination of a sedative and a paralyzing agent had failed.
an eyewitness account by a reporter for The Tulsa World, Mr. Lockett tried to raise himself up, mumbled the word “man,” and was in obvious pain. Officials hastily closed the blinds on the chamber and told reporters that the execution had been stopped because of a “vein failure.” But at 7:06, the inmate was pronounced dead of a heart attack.
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Death-penalty analysis reveals extent of wrongful convictions

Statistical study estimates that some 4% of US death-row prisoners are innocent.

• Sara Reardon

28 April 2014

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Doug Berry/Ocean/Corbis

The chances of exoneration increase the longer a person remains on death row, according to a study.

At least one in 25 people on death row in the United States would be exonerated if given enough time, researchers have found. The study, which used statistical methods to extrapolate from available data, is one of the first to try to quantify the rate of false convictions.

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