Of course if it's in the middle of an investigation it can spoil the investigation, allow criminals to cover their tracks, allow escape.
In such case the document should be vetted by competent and honest officials to judge whether it is timely to release it, or whether suppressing it just ensures that investigation is never concluded, extending a forever renewed cover to the criminals.
There was also a process on how to communicate top secret information, but these idiots prefered to use signal.
I'm completly lost on how you can be surprised by this at all? Trump is in there, tells some FBI faboon to black everything out, they collect a group of people they can find and start going through these files as fast as they can.
"When a clown moves into a palace, he doesn't become a king; the palace instead becomes a circus."
I'm not familiar with the term, and Urban Dictionary only has "fake babboon" which I suspect is not the intent here - what does it mean?