These films — selected from two decades of extensive FRONTLINE reporting, with many available to stream for the first time in years — probe that fateful day and its lasting impacts on America and the world.
August 31, 2021
The legal standoff playing out between Apple and the FBI has reignited the debate over privacy and national security.
February 19, 2016
Thomas Tamm, a former Department of Justice lawyer, faces ethics charges for talking to the press about the National Security Agency's warrantless wiretapping in the mid-2000s.
January 28, 2016
A new investigation finds that the NSA's relationship with the nation's second biggest wireless carrier was "unique and especially productive."
August 17, 2015
The provisions of the Patriot Act that were allowed to lapse today represent only part of the vast NSA surveillance apparatus exposed by Edward Snowden.
June 1, 2015
The government says it's made reforms to its surveillance programs. But how much is really different?
February 9, 2015
Edward Snowden talks with NOVA about how U.S. spying raises the risk of cyber attacks.
January 8, 2015
The NSA is thought to deploy the Tailored Access Operations (TAO) unit for specific hard-to-get targets.
May 29, 2014
Security expert Ashkan Soltani explains how the NSA can get onto a user's computer via the web browser.
May 23, 2014
Security expert Ashkan Soltani breaks it down.
May 21, 2014
FRONTLINE’s Martin Smith, cybersecurity analyst Ashkan Soltani and Mashable's Lorenzo Franceschi-Bicchierai take your questions on Wed. 5/21 at 2 pm ET.
May 20, 2014
A former director of the CIA, Porter Goss served as chairman of the House Intelligence Committee from 1997 to 2004. As chair of the committee, he was among the first members of Congress to be briefed on the Bush administration's domestic surveillance programs.
May 20, 2014