For the purpose of establishing that evidence of crime found during airport screening is admissible in court, in what circumstances would it be inadmissible?

For the same reasons, we consider United States v. Skipwith, 482 F.2d 1272 (5th Cir.1973), inapposite. Skipwith refused to adopt a general rule that evidence of crime found in the course of an airport screening would be inadmissible. We, too, have declined to lay down any such general rule, and have held that evidence inadvertently discovered as part of a legitimate airport screening search is admissible in court. Nothing we say today is to the contrary.

8 The true voluntariness of an airport search is doubtful in any event. As one commentator noted: