"Biden returned them promptly once they were discovered." Yes...

"Biden returned them promptly once they were discovered."
Yes Biden did because of the media political circus at Mar A Lago complete with armed guards and helicopters beforehand.
If the Trump political showcase raid didn't happen you really think Joe would have even bothered to say or do anything.
They were in his garage in boxes next to his corvette ot whatever jalopy he has .
You saying Joe didn't know what was in those boxes, I don't think so.
Biden took docs not as president as a senator. No right whatsoever, except maybe in a dual justice system.