At the center of the national death penalty debate today is the controversial case of Cameron Todd Willingham, put to death for the arson-murder of his three little girls. But was he guilty?

Frontline investigates BP's record of safety violations and accidents in the years leading up to the Deepwater Horizon disaster in the Gulf.

Frontline looks at the case of the Norfolk Four in which four men were convicted of the rape and murder of a woman on the basis of coerced confessions.

The end-of-life choices made by physicians and families

In the chaos of the earthquake that devastated Haiti, thousands of the country's worst criminals seized the opportunity to stage a mass escape from the National Penitentiary. One year later, the gang leaders are re-asserting control in the capital, threatening the country's stability.

Are We Safer?: Dana Priest investigates the terrorism-industrial complex that grew up in the wake of 9/11. Flying Cheaper: A follow-up to Season 28's Flying Cheap examines the trend of airlines outsourcing Maintenance; a co-production with the Investigative Reporting Workshop.

A look at the April 6 Youth Movement, the Muslim Brotherhood, and the Egyptian Revolution of 2011.

Money and March Madness: An inside look at the multibillion-dollar business of the NCAA and its brand of amateur college sports. Who's Afraid of Ai Weiwei: How Ai Weiwei dares to walk the fine line between freedom and censorship in China. The Private Life of Bradley Manning: Exclusive interview with Private Manning's father, who speaks out for the first time about his son's upbringing and troubled youth

High school football has never had a higher profile ... but is winning worth the risks?

Frontline reveals a little-known chapter of the Catholic Church sex abuse story: decades of abuse of Native Americans by priests and other church workers in Alaska.

The fight against al Qaeda and the Taliban in Afghanistan and Pakistan.

Goes inside the "kill/capture" program to discover new evidence of the program's effect and its costs.

The inside story of Chelsea Manning, Julian Assange (WikiLeaks) and the largest intelligence breach in U.S. history.

The Child Cases: Ernie Lopez to prison for 60 years when a child dies under suspicious circumstances. Now a Texas judge has moved to overturn Lopez's conviction, and questions are raised about the quality of expert testimony in this and many other cases. Educating Sergeant Pantzke: In a follow-up to College, Inc., FRONTLINE investigates how the for-profit schools are recruiting veterans with educational promises that they may not keep.

The Pot Republic: FRONTLINE and The Center for Investigative Reporting team up to investigate California's marijuana market. Doctor Hotspot: Dr. Jeffrey Brenner and his team are pioneering a practice called “hotspotting,” in which medical care is focused on the hardest-to-treat to improve their health and dramatically reduce costs. The Atomic Artists: FRONTLINE with PRI’s The World meet Chim?Pom, a provocative group of young artists using art to challenge the status quo and ask Japan to rethink their way of life.

A report from the Washington Post on US government intelligence spending

The struggle of one man to develop a tourist destination in Haiti and bring economic prosperity.

The struggles of Sharif El-Gamal to build a mosque near the site of the World Trade Center.