Final answer:
Executing a defendant who was a juvenile when the crime was committed is unconstitutional.
Explanation:
False. It is unconstitutional to execute a defendant who was a juvenile when the crime was committed. Recent US Supreme Court decisions such as Roper v. Simmons have established that juveniles cannot be subjected to capital punishment. This is based on the Eighth Amendment prohibition against executing individuals who were under eighteen years old when they committed a crime.
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