What U.S.Supreme Court case ended the practice of the death penalty for juveniles?

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Roper v. Simmons (2005) is the U.S. Supreme Court case that ended the practice of imposing the death penalty for juveniles who commit capital crimes. The Court determined that a national consensus had emerged against the execution of juvenile offenders, and that the practice was therefore unconstitutional under the Eighth Amendment's prohibition against cruel and unusual punishment.

What USSupreme Court Case Ended the Practice of the Death Penalty