It isn't clear to me that post sentencing, the law forbids this. I don't like it, I didn't like reading about the historical precedents in French penal law much

It isn't clear to me that post sentencing, the law forbids this. I don't like it, I didn't like reading about the historical precedents in French penal law much either (Dreyfus aside, "Papillon" is only part of the story. They also exiled the communards to New Caledonia) -But it was legal in french law, and this may be legal in US law. Deporting people before trial, during trial and legal process, sending US citizens and residents with paperwork approval offshore, rescinding their rights arbitrarily or in defiance of Judicial ruling, ignoring basic rights, thats shit too, but it's different to what happens to somebody when sentenced to incarceration.