Is it legal to execute a mentally-retarded person?

Question

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The Answer is The legality of executing a mentally-retarded person, now more appropriately referred to as a person with an intellectual disability, varies by jurisdiction, but in the United States, it has been deemed unconstitutional by the Supreme Court.In the landmark case Atkins v. Virginia (2002), the U.S. Supreme Court ruled that executing individuals with intellectual disabilities violates the Eighth Amendment's ban on cruel and unusual punishment. The Court reasoned that such individuals are less culpable due to their impairments in reasoning, judgment, and control of their impulses. Therefore, they do not act with the level of moral culpability that characterizes the most serious adult criminal conduct.
However, the Supreme Court left it to the states to determine the criteria for deciding whether a person has an intellectual disability. This has led to some variability in how the ruling is applied. States must have procedures in place to ensure that individuals with intellectual disabilities are not executed, but the specifics can differ from one state to another.
It's important to note that the legal landscape can change, and different countries have different laws regarding this issue. Some countries may still permit the execution of individuals with intellectual disabilities, while others may have blanket bans on capital punishment altogether, making the issue moot.
In summary, in the United States, it is unconstitutional to execute a person with an intellectual disability, but the implementation of this principle can vary by state. In other parts of the world, the legality of such executions depends on local laws and international human rights standards.

Is It Legal to Execute a Mentally-Retarded Person