Robert Mueller, the 9/11 era FBI director — who was later appointed as special counsel to investigate Russian interference in the 2016 election — died on March 20, 2026, at age 81. From our archives, here’s the enhanced audio version of FRONTLINE’s 2019 documentary, "The Mueller Investigation."

FRONTLINE traces the road to war with Iran, the U.S. and Israeli roles, and the stakes for the region.

How did PFAS chemicals once used in popular stain-resistant carpets end up in the water and environment in parts of Georgia, Alabama and South Carolina? A collaborative investigation among FRONTLINE, The Associated Press, The Atlanta Journal-Constitution, The Post and Courier and AL.com investigates what happened with these forever chemicals and the ongoing health impacts.

Tracing the dramatic and controversial rise of Robert F. Kennedy Jr., FRONTLINE examines how the scion of a storied dynasty endured tragedy and scandal, broke with the Democratic Party and his family, stoked conspiracy theories, and is reshaping government and public health.

More than a decade ago, the Emmy-nominated documentary Poor Kids explored poverty in the United States as it’s rarely seen: through the eyes of children. Born Poor tells the stories of the same children, now grown, chronicling their lives from childhood to the present day. The 90-minute documentary follows Kaylie, Johnny and Brittany across three chapters of their lives as they grow from kids to teenagers to adults, trying to pursue their dreams while dealing with an economy where they face more obstacles than opportunities — and trying to overcome the grinding poverty that shaped their childhoods.

FRONTLINE goes inside the high-stakes showdown between President Donald Trump and the courts over presidential power. Trump allies, opponents and experts talk about how he is testing the extent of his power; the legal pushback; and the impact on the rule of law.

How Hurricane Helene became an ominous warning about America’s lack of preparedness. FRONTLINE and NPR draw on a decade of reporting on disasters and their aftermath to examine how and why the U.S. is more vulnerable than ever to climate change-related storms.

The enhanced audio-only version of FRONTLINE's documentary, "Alaska's Vanishing Native Villages." A look inside Alaska Native villages fighting for survival against climate change. With the Howard Center at ASU, FRONTLINE examines why communities are relocating and why they’re struggling to preserve their traditions.

FRONTLINE and ProPublica investigate how an online network known as Terrorgram spread extremism and violence. The documentary traces the rise of a global community of white supremacists and the anonymous, loosely moderated platforms used to spread hate and promote terror attacks.

FRONTLINE traces Donald Trump’s return to the presidency, overcoming unprecedented obstacles and opposition. With insider interviews, the documentary examines defining moments over his life and career, his 2020 election loss, felony convictions and his historic comeback.