A leaked NSA newsletter published Wednesday highlights the collection of phone metadata as one of the agency's "most useful tools." The document — which was leaked by Edward Snowden and published by ...

In 1999, according to an N.S.A. Inspector General report leaked by Edward Snowden, lawyers at the Clinton Justice Department ruled that searching telephone metadata amounted to unauthorized ...

Today the U.S. Court of Appeals for the D.C. Circuit denied Larry Klayman's emergency petition for rehearing en banc of the appeals court's decision to stay a lower court injunction against the ...

Since Americans learned in June of last year that the National Security Agency collects the telephone “metadata” of virtually every phone call within the United States, little has changed in what will ...

Any debate about America’s counterterrorism capabilities must be conducted in the context of the actual terrorist threat the U.S. faces. Since 9/11, The Heritage Foundation has tracked Islamist ...

The Office National Intelligence released a trove of newly declassified documents Tuesday, detailing the National Security Agency’s controversial surveillance operations. As Matthew Keys reported on ...

“If it ain’t broke, don’t fix it,” the adage goes. But for the sunset of Patriot Act authorities later this year—including Section 215, a controversial provision that allows the National Security ...

The NSA's vaunted cell phone metadata collection program, often defended on the grounds that its comprehensive sweep of information allows the government to uncover unseen connections, only collected ...