This 23-year-old was duped into selling his kidney, then exposed an illegal organ racket in India

Seven years after leaving his village in northern India to find work in the bursting metropolis of Mumbai, Sundar Singh Jatav was struggling in a menial job at a video game shop. The $2.50 daily wage was hardly enough with his family back home deep in debt.

So in late 2015, when his boss introduced...