§ 12. Rights of persons accused of crime. In all criminal prosecutions, the accused has a right to a speedy and public trial, by an impartial jury, and is entitled to be informed of the nature and cause of the accusation; to be confronted with the witnesses against him; and to have compulsory process for obtaining witnesses in his favor. An alien is not entitled to a jury, composed in part of aliens or strangers, in an action or special proceeding civil or criminal.