Suppose that a private individual (A) who is resident outside the US sends a prescription drug to USA (nothing narcotics or can be abused ) for someone who can't afford the current US prices. Suppose that A is not a US citizen.
According to the local country postal service, A can do that if A (the shipper) provides a prescription. Under international law, it's legal for A to do so. But apparently this is not legal in the US.
What problems could this cause the non-US shipper A? What A did is perfectly legal in A's own country, and under international law.
What will happen to A if the package gets seized by US customs?
Is there any precedent about this?