McALESTER, Okla. -- A botched execution that used a new drug combination left an Oklahoma inmate writhing and clenching his teeth on the gurney Tuesday, leading prison officials to halt the ...

A bungled execution in Oklahoma is providing death penalty opponents with a fresh example of how lethal injections can go wrong. But the odds of successfully challenging the nation’s main form of ...

Oklahoma is investigating last week's execution of Clayton Lockett — so horribly botched one witness said, "It looked like torture." The state used a mixture of lethal drugs never used before in that ...

One Oklahoma death row inmate is dead and another has had his execution postponed, following the botched delivery of a new lethal injection cocktail. An official halted Clayton Lockett's execution 20 ...

In a victory for death penalty proponents and states, the Supreme Court ruled Monday that a part of the drug cocktail used to execute inmates does not violate the Constitution. The 5-4 ruling found ...