They will laugh. Produce nothing. Dare anyone to do anything about it. Show the documents requested in a closed folder, teasing, “See? Right here. I have them all right here. Don’t you wish you could see?” Then take one document out, light it on fire, cackle, and puff out their chests, saying “Don’t make us kill you! You, Congress, are NOTHING. *WE* run America.”
Subpoenas will be issued. They will be ignored. The House will refer them to the Justice Department for prosecution. The DOJ will turn them over to the FBI for investigation. Nothing can be revealed about them because they are under investigation.