[seowulf]

TSA worker Sari Koshetz was quoted in one report, "Once a person submits to the screening process, they can not just decide to leave that process."

So, they are under arrest at that point?

Seems like you need to have a lawyer present to apply for a writ of habeas corpus.

[USNBandit]

The fine is for leaving a screening checkpoint without permission. The rationale is that they don't want somebody to be able to test checkpoints or even shop multiple screening areas at an airport to get past security. You can present yourself for screening and refuse a search, but at that point the TSA is going to hold you there until they conduct an investigation.

It is a civil penalty and I don't think many of them are really going to be handed out. The guy in San Diego was told he had to leave and then told he was could be fined by the same guy. That isn't going to stand up in court.

Personally, I think if you are going to go to the airport these days you need to have your decisions made before you get there. Refusing both screenings is a pretty painful and stupid option. If you won't submit to either then don't fly.