The Supreme Court in a 5-4 ruling has upheld the use of a drug for lethal injections in executions.

Three death row inmates brought the challenge arguing that the drug midazolam violates the Eighth Amendment’s ban on cruel and unusual punishment.

“The prisoners failed to identify a known and available alternative method of execution that entails a lesser risk of pain, a requirement of all Eighth Amendment method-of-execution claims,” Justice Samuel Alito wrote for the majority.

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