The standard reason given is privacy for the victim and jury, less jury poisoning if there needs to be a retrial, people can be a little more or at ease, etc.
It definitely depends on the court, OJ's trial was on TV.
It definitely depends on the court, OJ's trial was on TV.
They certainly wouldn't allow the media (or the public) in the courtroom, with or without cameras, or allow the media/public access to anything any cameras they did allow in captured.