From veteran FRONTLINE filmmaker and chronicler of U.S. politics Michael Kirk and his team, this documentary traces the U.S. response to the September 11, 2001 terrorist attacks and the devastating consequences that unfolded across four presidencies. Drawing on both new interviews and those from the dozens of documentaries Kirk and his award-winning team made in the years after 9/11, this two-hour special offers an epic re-examination of the decisions that changed the world and transformed America. From the wars in Afghanistan and Iraq to the January 6 insurrection, America After 9/11 exposes the legacy of September 11 — and the ongoing challenge it poses for the president and the country.

The dramatic story of a Gitmo detainee released from the controversial U.S. prison after 14 years. With NPR, a report on the struggle over freeing prisoners once deemed international terrorists. Also, the untold history of the Guantanamo Bay prison.

Described by some military commanders as the deadliest urban combat since World War II, the battle to drive ISIS out of Mosul as the terror group held civilians captive there was brutal and grueling. Shot over the course of the entire nine-month fight, this vivid documentary follows the experiences of four young soldiers in a team of Iraqi Special Forces tasked with leading the battle.

FRONTLINE and ProPublica go inside Europe’s fight against terrorism — the missed warnings and the lingering vulnerabilities.

FRONTLINE and The Associated Press, in collaboration with the Howard Centers for Investigative Journalism, investigate deaths that occurred after police used tactics like prone restraint and other "less-lethal force." The documentary and accompanying reporting draw on police records, autopsy reports and body cam footage, offering the most expansive tally of such deaths nationwide.

Bitter Rivals illuminates the essential history - and profound ripple effect - of Iran and Saudi Arabia's power struggle. It draws on scores of interviews with political, religious and military leaders, militia commanders, diplomats, and policy experts, painting American television's most comprehensive picture of a feud that has reshaped the Middle East.

FRONTLINE tells the story of how crisis and tragedy prepared Joe Biden to become America’s next president. Those who know him best describe the searing moments that shaped President-elect Biden and what those challenges reveal about how he will govern.