Which amendment guarantees the right to a public trial?

The right to a public trial is guaranteed by the Sixth Amendment of the United States Constitution. This amendment is crucial in ensuring fair legal proceedings and public oversight of the judicial process. It states that in all criminal prosecutions, the accused shall enjoy the right to a speedy and public trial, by an impartial jury of the state and district wherein the crime shall have been committed. The intent behind this provision is to promote transparency in the legal system and protect defendants from secretive government proceedings, which could lead to abuses of power and unfair treatment. This principle is foundational for maintaining public confidence in the judicial system and ensuring that justice is seen to be done. The other amendments listed do not specifically address the right to a public trial, which makes the Sixth Amendment the definitive source for this right.