Frontline investigates the secret history of the unprecedented surveillance program that began in the wake of September 11th and continues today. As big technology companies encouraged users to share more and more information about their lives, they created a trove of data that could be useful not simply to advertisers, but also to the government. The revelations of NSA contractor Edward Snowden would push Silicon Valley into the center of a debate...

"A secret Russian expedition returns with a devastating new pathogen, harvested from the frozen corpses of mammoths. It's the biological super-weapon they've been looking for, an apocalypse-level pathogen, a virus more deadly than anything ever to come from a Russian lab. Something that will stop NATO and the Americans in their tracks. A Biological Chernobyl. When Lance Spector quit the CIA, he swore he was out for good. One more government lie and...

One of the darkest days in American history became an extraordinary story of courage under fire. Courage under Fire is United States Capitol Police Chief Steven A. Sund's gripping personal account that takes readers inside the events leading up to January 6, and provides a detailed and harrowing minute-by-minute account of the attack on the US Capitol, which was valiantly defended in hand-to-hand combat by the US Capitol Police officers who found...

"A stunning history of the first national anti-terrorist campaign waged on American soil-when Ulysses S. Grant wielded the power of the federal government in an attempt to dismantle the Ku Klux Klan. The Ku Klux Klan, which celebrated historian Fergus Bordewich defines as "the first organized terrorist movement in American history," rose from the ashes of the Civil War. At its peak in the early 1870s, the Klan boasted many tens of thousands of members,...

Capricorn One. When the head of NASA's manned Mars mission discovers that the capsule meant to carry the astronauts will suffer a catastrophic failure, he forces them to participate in a hoax by broadcasting their 'Mission' from a studio built at an abandoned air force base. Over many months, the astronauts are forced to film broadcasts on their progress. They find out that they are to die upon re-entry. An investigative reporter gets wind that something...

When a team of assassins murder a high-ranking North Korean general and his family in their sleep, making it look like a robbery, events are set in motion that could shake the balance of world powers.

A look at how the rivalry between the CIA and FBI inadvertently set the stage for the tragedy of 9/11 and the war in Afghanistan.