Home-country medical records indicating the need for a transplant, travel records, financial records, signs of surgery, and finally, biopsy of organ in question.
- It would just shift the transplant location to Russia, Myanmar, Thailand or Vietnam.
- People would transfer money into bitcoin and pay Chinese organ harvesters with Bitcoin.
- Hospitals will start offering plastic surgery to remove signs of surgery.
- People will shift or retire to places which won't prosecute them for murder.
Fundamentally people will do anything to stay alive.
Adding hurdles won't get rid of the phenomenon completely, but it will certainly decrease it.