In the same way that the CIA doesn't sell cocaine.
I'm sure they "mostly" focus externally but that doesn't mean they're not still doing a hell of a lot domestically.
The FBI is the boogeyman everyone around these parts wants the NSA to be. The NSA has the skillset, they just don't use it like that, domestically.
That was my point. Carry on. I don't mind if you agree or not.
That seems like a statement that needs backed up by sources.