[inquest]

The FISA procedures themselves are warrantless, and those procedures were challenged on 4th Amendment grounds way back when FISA first became law. So when I said, "FISA doesn't violate the Fourth Amendment. No kidding; that's been known for 20 years," I was referring to the early FISA challenges.

Did the courts actually rule that FISA didn't conflict with the 4th amendment, or did were the challenges to the law simply rejected for lack of standing to bring a challenge?

[Sandy]

Did the courts actually rule that FISA didn't conflict with the 4th amendment

Yes. Criminal cases using evidence obtained via FISA surveillance have been challenged on 4th Amendment grounds, with motions to suppress evidence failing. I don't have case names, but if you check out In re: Sealed Case (the FISA Appeals Court decision) it lists several.