In all criminal prosecutions, the accused shall have the right to a speedy and public trial, by an impartial jury of twelve, except that the legislature may provide for a jury of not more than twelve nor less than six in courts not of record. The accused is entitled to be informed of the nature and cause of the accusation; to be released on bail, except for capital offenses when the proof is evident or the presumption great; to be confronted with the witnesses against him; to have compulsory process for obtaining witnesses in his favor, and to have the assistance of counsel for his defense.