Sorry, Sweet Cakes, he had the authority to take them (he stole nothing) and store them legally in a secure location.
They were not classified.
I posted a link as to how Vice President Biden was able to declassify documents, you have "explained" which of course means nothing. So let's ask again, why did trump refuse to return the documents? Why did he take what didn't belong to him, in the first place?
Asking Earl a question outside his comfort zone is like asking a trained seal to do something outside its.