The U.S. has executed using lethal injection for decades. But botched procedures and a shadowy supply chain reveal fundamental flaws in the science. Here's how states are fighting hard to cover up how they kill death row prisoners and keep the death penalty in action. Warning: This video contains graphic references to methods of execution throughout. | AJ

In Utah, a shortage of drugs used for lethal injections is leading to an effort to bring back the firing squad for executions. http://on.wsj.com/1DfxVdQ | The Wall Street Journal