ProPublica reporter Marshall Allen interviews Steve Fainaru and Mark Fainaru-Wada about their new book, "League of Denial," which reveals that the NFL spent decades undermining researchers who found links between football and brain injuries and played down the risks.

We sat down with our vice president of communications, Mike Webb, for one last podcast before he leaves ProPublica to start a new chapter in Hawaii.

ProPublica reporter Marshall Allen sits down with Megan Twohey of Reuters to get the story behind "The Child Exchange" investigation, which looked into how U.S. families use Internet message boards to abandon difficult children adopted from other countries.

For this week’s podcast, Cora Currier and Steve Engelberg discuss the Obama administration’s controversial use of drones and how much of the program remains shrouded in secrecy.

Paul Kiel joins Steve Engelberg on the podcast this week to discuss his series investigating high-cost lenders, the difference between payday and installment loans, and how the industry has managed to survive in state after state despite attempts to ban these products.

A.C. Thompson and Steve Engelberg talk about the growth of the assisted living industry and why a lack of standards has sometimes led to poor care for residents.

FEMA’s flood maps determine the monthly flood insurance premium for 5.5 million Americans, but they often rely on outdated, inaccurate data. ProPublica’s Theo Meyer and Al Shaw explain how homeowners are ultimately paying for the agency’s mistakes.

Over the course of his 16-year career as a registered nurse, Charles Cullen murdered at least 40 patients – making him one of the most prolific serial killers in American history. Author Charles Graeber chronicled Cullen’s killing spree in his book, The Good Nurse, and shares the chilling backstory in our latest podcast.