Pharma Executives Grilled Over West Virginia "Pill Mills"

George Barrett, far left, Dr. Joseph Mastandrea, John Hammergren, J. Christopher Smith, and Steven Collis, right, testify before Congress about their alleged roles in the opioid crisis.
( Alex Brandon / AP Photo )

Produced by Alexandra Botti

Hosted by Tanzina Vega

Produced by PRI and WNYC