Then again, you don't even need a $5 attitude readjustment tool when you can just shrug and say "Whatever. You are detained until you cough up what we want." - and are able to do just that...
They can't detain you indefinitely without articulating a good reason, even as a non-citizen. What they can do is deny you entry. For citizens, not even that.
* What they can do is deny you entry. For citizens, not even that.*
Job lost. Father died without you seeing him. Thousands of dollars gone in lost ticket, reservations. That's more than enough for 99% of people. The other 1% don't even try to enter USA