China has a thriving business transplanting organs from live donors

In 1999, Chinese hospitals began performing more than 10,000 organ transplants annually, generating a vast and lucrative traffic in “transplant tourists,” who flocked to China on the assurance that they could obtain lifesaving organs without having to languish on a waiting list. China had no voluntary organ-donation system to speak of, yet suddenly it was providing tens of thousands of freshly harvested organs to patients with ready cash or high-placed connections. How was that possible?

They did it by harvesting organs from political prisoners.  Now, a couple of movies are becoming available which expose the practice