Yes, FISA has had the ability to issue warrants for many years, it has been litigated and held constitutional.
Senator Paul has on occasion railed against FISA, let’s see if he’s actually able to accomplish something and make it go away — which, by the way, I would heartily thank him for doing. If he were to actually do so.
FOREIGN intelligence court.
Rand says its illegal to spy on American citizens.
It is obviously unconstitutional to spy on someone without going to a federal judge, showing evidence that a crime has been committed by John Doe and getting a warrant to spy on John Doe. Check your 4th amendment. FISA courts and the Patriot Act (FU W Bush) are unconstitutional laws which violate the 4th.