Surveillance

Fresh Air broadcasts a lecture by music critic and journalist Nat Hentoff. He worries that the accessibility of U.S. citizens' computerized data is leading to increased surveillance and a troubling, Orwellian practice of law enforcement.

Washington Post investigative reporter Jim McGee has co-written with Brian Duffy the new book "Main Justice: The Men And Women Who Enforce The Nation's Criminal Laws And Guard Its Liberties." It's about the changing role of the U.S. Justice Department. As the fears of terrorism increase, Congress and the White House are giving the Justice Department more investigative powers and a wider jurisdiction which include sanctions in foreign countries.

Robert O'Harrow, Jr. is a reporter for The Washington Post and an associate of the Center for Investigative Reporting. His new book is about how the government is creating a national intelligence infrastructure with the help of private companies as part of homeland security. Huge data-mining operations are contracted by the government to gather information on our daily lives. Information technology has enabled retailers, marketers, and financial institutions to gather and store data about us.

Patrick Radden Keefe is the author of Chatter: Dispatches from the Secret World of Global Eavesdropping. For his book, Keefe researched the possibility that the United States has a planet-spanning surveillance network, known as Echelon. Keefe is a third-year student at Yale Law School and was a Marshall scholar and a 2003 fellow at the Dorothy and Lewis B. Cullman Center for Scholars and Writers at the New York Public Library.

In December, New York Times and Eric Lichtblau broke the news that the Bush administration had authorized a domestic eavesdropping program. Risen's new book is State of War: The Secret History of the CIA and the Bush Administration.

Richard Linklater's new film, A Scanner Darkly, is based on the book by Philip K. Dick -- a haunting tale of drug addiction, paranoia and surveillance set in the America of the near future. Live-action footage is overlaid with an animation technique first used in Linklater's 2001 film Waking Life.

In 2005, The New York Times revealed that the National Security Agency had performed wiretaps and other surveillance without court orders. It was a story the Bush administration hoped to keep under wraps, says reporter Eric Lichtblau. Lichtblau's new book is Bush's Law.

Following the attacks of September 11, 2001, the National Security Agency stepped up its efforts to collect intelligence domestically by filtering millions of phone conversations and e-mail messages. In his new book, The Shadow Factory, journalist James Bamford reveals that the ultra-secret agency has half a million people on its watch lists.

America's anti-terrorism strategy has evolved in the years after the Sept. 11 attacks. New York Times reporters Thom Shanker and Eric Schmitt explain some of the tactics used by the United States over the past decade to disrupt al-Quaida both in real life and online.

In Intel Wars, historian Matthew Aid details how bureaucratic polices and a glut of raw data have weakened the intelligence community in its war against would-be terrorists.

In February, President Obama signed an aviation bill requiring the FAA to make plans to integrate drones into American airspace. Brooking Institution senior fellow John Villasenor explains what these drones will be able to see -- and how our privacy and national security may be affected.

"Big Data" had just as much to do with President Obama's victory as phrases like "Etch A Sketch" and "47 percent," says linguist Geoff Nunberg. Big Data is also behind anxieties about intrusions on our privacy, whether from the government's anti-terrorist data sweeps or the ads that track us on the Web.

Shane Harris, an author and journalist who covers intelligence, surveillance and cybersecurity for a number of publications, says that the revelations about the NSA from Edward Snowden are nothing new, and that such programs have a significant recent history in the United States.

Whether it's logs of phone calls or GPS data, commentator Geoff Nunberg says it still says a lot about who you are: "Tell me where you've been and who you've been talking to, and I'll tell you about your politics, your health, your sexual orientation, your finances," he says.

Today's Internet users have become accustomed to stories of hacking, identity theft and cyberattacks, but there was a time when the freedom and anonymity of the Web were new, and no one was sure what rules — if any — applied to its use.

In Dragnet Nation, Julia Angwin describes an oppressive blanket of electronic data surveillance. "There's a price you pay for living in the modern world," she says. "You have to share your data."

PBS looks at the origins of the agency's surveillance program and the extraordinary steps top government officials took to give it legal cover and keep it hidden.

In the book @War, Shane Harris reports that U.S. intelligence agencies, sometimes aided by corporations, are trying to dominate cyberspace. It's "changing the Internet in fundamental ways," he says.

Journalist Robert Draper writes in National Geographic that the proliferation of cameras focused on the public has led "to the point where we're expecting to be voyeur and exhibitionist 24/7."