Chasing Heroin

America’s heroin and opioid crisis has been called the worst drug epidemic in U.S. history. FRONTLINE goes inside the crisis and places it in a fresh and provocative light — telling individual stories of addiction, but also investigating how the heroin epidemic as we know it came to be.America’s heroin and opioid crisis has been called the worst drug epidemic in U.S. history. FRONTLINE goes inside the crisis and places it in a fresh and provocative light — telling individual stories of addiction, but also investigating how...