The Constitution doesn't address quite a few things that the FBI may be involved in.
Either make the penalties so tough the porn industry dies (across the board) or forget about it. Anything else is just a bureaucrat keeping a chair warm. Black and white is efficient. Gray is one big waste of money.
And yes. I'm well aware of how far off from reality this view is. It does not make it the wrong viewpoint. The FedGov has LIMITED powers and duties. Anything not listed is verbotten to them.
This is such an instance.
Actually, it does...
Amd X. The powers NOT delegated to the United States BY the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.
All of which is ignored, but there nonetheless. Blackbird.