They had the bathroom picture on the front page of the NY post and stated that all those boxes contained confidential material. There was nothing marked that I could see stating what was inside them.I do know that the president is the sole determiner of classified material. There was a 9 to 0 Supreme Court ruling stating this.
There was a woman lawyer that worked for NYC in some capacity that challenged him about his promise to let kids in school stop wearing masks. She was fired that same day.