Estes v. Texas

Estes v. Texas, 381 U.S. 532, was a case in which the United [States Supreme Court] overturned the fraud conviction of petitioner Billy [Sol Estes], holding that his Fourteenth Amendment due process rights had been violated by the publicity associated with the pretrial hearing, which had been carried live on both television and radio. News photography was permitted throughout the trial and parts of it were broadcast as well.
There was no doubt that the Court was displeased with the intensive pretrial and trial coverage, but its biggest concern was the presence of cameras at the two-day-long pretrial hearing. It included at least 12 still and television photographers, three microphones on the judge's bench, and several aimed at the jury's box and attorney's table. When it was time for the trial to be held, it was moved about 500 miles away and the judge had imposed rather severe restrictions on press coverage. However, the justices did mark the notion that cameras would return to courtrooms eventually:
The Supreme Court ruled in Chandler v. Florida, 449 U.S. 560 that a state could allow the broadcast and still photography coverage of criminal trials.