Trafficked with Mariana van Zeller 5x3

Mariana investigates a deadly new fentanyl cocktail called "tranq dope" that's devastating American users. She's spent her career covering the deadly waves of the country's opioid crisis, but she's never seen it this bad. Seeking answers, she heads to Sinaloa, the heart of Mexico's cartel land, to get answers, and makes a shocking discovery.