The Man Who Knew

John O'Neill, the FBI's expert on Al Qaeda, warned of its threat. But his maverick style doomed his career.

Have lax laws left the for-profit adoption industry ripe for misconduct?

FRONTLINE examines President Donald Trump’s unprecedented attempts to assert control over the most powerful institution in the U.S. economy: the Federal Reserve.

In collaboration with the Salvadoran news outlet El Faro, FRONTLINE examines the deal between presidents Donald Trump and Nayib Bukele to hold U.S. deportees at CECOT and what each leader stood to gain.

In collaboration with ProPublica, FRONTLINE traces the violence, protests and arrests stemming from federal immigration sweeps across the United States.

Strike On Iran: The Nuclear Question by FRONTLINE

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.