At the sound of gunshots, prisoners fell lifeless to the ground. Their bodies, still warm, were carried to a nearby white van where two white-clad doctors awaited. Behind closed doors, they were cut open, the organs carved out for sale on the transplant market.
The grisly scene, which sounds more like the plot of a horror movie, took place in China more than 20 years ago at the direction of state authorities. It was witnessed by Bob (pseudonym), then a police officer who provided security at the execution sites where death-row prisoners were executed.