In the Supreme Court of the United States, Miguel Angel Peña-Rodriguez, petitioner, v. State of Colorado, respondent [electronic resource] : on writ of certiorari to the Colorado Supreme Court : brief of amici curiae NAACP Legal Defense & Educational Fund, Inc, the National Association of Criminal Defense Lawyers, and the American Civil Liberties Union in support of petitioner / John Paul Schnapper-Casteras, counsel of record [and 9 others]

At issue is whether a state's evidence rule can bar a juror's evidence of racial bias to prove a violation of the defendant's right to an impartial jury.