Is it acceptable to waterboard the Fox News reporters who threaten our way of life? Many would argue, yes, drown them like mangy cats. They don't respect the Geneva Conventions, so why should we?
Others would say that this only makes us as bad as them. If in fighting Fox News reporters we become Fox News reporters ourselves, then the Fox News reporters have won, type of thing.
Maybe they thought they would get valuable information out of him. Fat chance of that. Information given under torture, and on Fox News, is notoriously unreliable.