What's wrong with court oversight that the FBI wants so badly to avoid it? There are mechanisms for emergency situations. I would like to see the FBI's argumen

What's wrong with court oversight that the FBI wants so badly to avoid it? There are mechanisms for emergency situations. I would like to see the FBI's argument for why this isn't simply the bureaucratic habit of accumulating as much power as possible. I expect they have one, but I haven't seen it yet.