WikiSecrets

In this excerpt from "WikiSecrets," coming May 24, FRONTLINE uncovers video of Pfc. Bradley Manning around the time he allegedly handed over half-a-million classified documents to the WikiLeaks website. With exclusive access to those closest to Manning--including his father, close friends and his Army bunkmate--FRONTLINE explores how and why the secret cache of documents may have been leaked.

American David Headley has admitted to doing reconnaissance for a terrifying plot to attack the Danish newspaper that published the cartoons of the Prophet Muhammed. The plan was to take employees hostage and decapitate them and throw their heads out the window. ProPublica reporter Sebastian Rotella explains how Headley cased the city.

In this excerpt from "WikiSecrets," coming May 24, FRONTLINE correspondent Martin Smith tells the story of Pfc. Bradley Manning and his struggle with the Army's Don't Ask, Don't Tell policy. Manning is currently charged with handing over half-a-million classified documents to the WikiLeaks website.

FRONTLINE examines the biggest intelligence breach in U.S. history and the two men behind the leaks: WikiLeaks founder and Internet activist Julian Assange and the Army intelligence analyst Bradley E. Manning. Through in-depth interviews with Manning's father, Assange and others close to the case, veteran FRONTLINE correspondent Martin Smith tells the full story behind the leaks.