Warrants are what's at issue when the 4th amendment is in play. The thing you can't do when FISA issues a warrant is get the details about that warrant, who is

Warrants are what's at issue when the 4th amendment is in play. The thing you can't do when FISA issues a warrant is get the details about that warrant, who issued it, why it was issued. You can't even know that a FISA warrant was deployed against yourself. Normal judicial warrants are public record.