They're lacing marijuana with poisonous pesticides, laundering money, stealing power, and flooding the market with unregulated, chemical-laced weed that could harm someone you love. It's a multi-billion-dollar industry.

Investigative journalist Steve Robinson sets out to reveal how Chinese mafia networks have quietly taken root in rural America—sometimes right next door. 

This is a story you won't hear anywhere else. And it's high time to stop looking the other way.