The nightmare is that the jury learned from the media that there is a new high resolution video.
***That’s a mistrial right there. Judges always tell the juries not to look at press treatments of the trial until after they give the verdict. Maybe that’s the nightmare the judge is talking about.
Yes, that instruction is typical, but impossible to follow when even the President of the United States has stayed in the racist camp, without any explanation whatever. With social media, this safeguard instruction is an anachronism.