Florida's Oxycontin Express

In the season premiere of Vanguard, correspondent Mariana van Zeller travels to South Florida, the "Colombia of prescription drugs", to expose a bustling pill pipeline that stretches from the beaches of Ft. Lauderdale to the rolling hills of Appalachia. "The OxyContin Express" features intimate access with pill addicts, prisoners and law enforcement as each struggles with a growing national epidemic.