<P> Capital punishment for juveniles in the United States existed until March 1, 2005, when the U.S. Supreme Court banned it in Roper v. Simmons . </P> <P> Since 1642, in the Thirteen Colonies, the United States under the Articles of Confederation, and the United States under the Constitution, an estimated 364 juvenile offenders have been put to death by the individual states (colonies, before 1776) and the federal government . </P>

When did the supreme court abolish the death penalty for juveniles