Colonel George C. Kraehe, a former Justice Department Attorney, has been Acting Chief Prosecutor Named for Military Commissions at the Defense Department since October 2021. He has to be the one who put the deal together.
If he did put this deal together, then the Biden Administration gave tacit approval, This didn’t happen as an independent move. Austin reversed this deal because the higher ups suddenly realized this move looked awful and would give Trump ammunition to use against Harris.