Lethal injection is a method of carrying out a death sentence by administering one or more drugs intended to cause death. Lethal injection protocols are governed by state or federal law and can be challenged under the Eighth Amendment if the procedure allegedly creates an unconstitutional risk of severe pain.
Lethal injection is a method of execution in which drugs are administered to a person sentenced to death.
The precise drugs, dosage, equipment, personnel, and procedures used can differ by jurisdiction and can change over time. Some protocols use a single drug, while others have used combinations of drugs intended to produce unconsciousness followed by paralysis and cardiac arrest.
The Supreme Court has not held that lethal injection itself violates the Eighth Amendment.
In Baze v. Rees, the Court upheld Kentucky's three-drug lethal injection protocol against an Eighth Amendment challenge. The Court explained that some risk of pain is inherent in any execution method and that the Constitution does not require elimination of every conceivable risk.
Later cases have focused on particular drugs, protocols, medical circumstances, and proposed alternatives rather than treating all lethal injections as constitutionally identical.
A prisoner challenging a lethal injection procedure generally must satisfy the Supreme Court's method-of-execution standard by demonstrating a Method-of-Execution ChallengeA method-of-execution challenge is a legal claim that the procedure a government plans to use to carry out a death sentence violates the Eighth Amendment. Under current Supreme Court precedent, a prisoner generally must show that the method creates a substantial risk of severe pain and identify a feasible, readily implemented alternative that would significantly reduce that risk.Read more → and identifying a feasible and readily implemented alternative that would significantly reduce that risk.
An unsuccessful or malfunctioning execution does not automatically establish an Eighth Amendment violation.
The Supreme Court addressed that issue long before lethal injection became common in Louisiana ex rel. Francis v. ResweberLouisiana ex rel. Francis v. Resweber was a 1947 U.S. Supreme Court case holding that Louisiana could make a second attempt to execute Willie Francis after an equipment malfunction caused the first electrocution attempt to fail. The Court rejected claims that the second attempt violated constitutional protections against double jeopardy and cruel and unusual punishment.Read more →. The Court allowed Louisiana to make a second attempt to execute Willie Francis after the electric chair malfunctioned during the first attempt.
Modern execution-method cases have continued to distinguish an isolated accident from a procedure that creates a constitutionally substantial risk of serious harm.
Litigation can concern the drugs selected by a state, how they are administered, the medical condition of the prisoner, the qualifications of execution personnel, access to intravenous lines, consciousness monitoring, or the availability of alternative procedures.
Those disputes are evaluated under constitutional standards rather than simply by asking whether another execution procedure could theoretically be safer.
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