6th A allows a defendant to confront a prosecution witness. I think this most definitely won’t be allowed in a criminal case.
Not to defend those that want to wear a tent to court but, the wearing of Niqabs still allows a defendant to confront a witness, just cant see her face.
Agreed, but as post 13 points out, it does not prevent the defendant from confronting the witness. As for the jurors, if someone testified wearing a niqab, it would be quite reasonable to ignore their testimony. Who is really under that niqab? Why are they saying what they are saying? What is their motivation for testifying in the way they are? Their testimony might be rendered worthless by their insistence on covering their face.