The horror Dr. Zheng witnessed in the van, and afterward at the hospital, took place in 1994, when the Chinese regime’s mass-scale, state-sanctioned forced organ harvesting was still in its infancy.

It soon ballooned into a billion-dollar industry, using prisoners of conscience, particularly adherents of the persecuted faith group Falun Gong, to fuel its rise. In the same city as the hospital was the Sujiatun concentration camp, which multiple whistleblowers revealed as a mass killing ground of imprisoned Falun Gong adherents for their organs since the persecution began in 1999. While the Sujiatun underground facility was abandoned after being exposed internationally, an untold number of other such camps exist in China.