PBS's Friday night show "NOW" reported on new evidence suggesting the existence of a secret government program that intercepts millions of private e-mails each day in the name of terrorist surveillance.

News about the alleged program came to light when a former AT&T employee, Mark Klein, blew the whistle on what he believes to be a large-scale installation of secret Internet monitoring equipment deep inside AT&T's San Francisco office.

The equipment, he contends, was created at the request of the U.S. government to spy on e-mail traffic across the entire Internet. Though the government and AT&T refuse to address the issue directly, Klein backs up his charges with internal company documents and personal photos.

Criminal Defense Lawyer Nancy Hollander, who represents several Muslim-Americans, feels her confidential e-mails are anything but secure.

"I've personally never been afraid of my government until now. And now I feel personally afraid that I could be locked up tomorrow," she said.

Who might be eyeing the hundreds of millions of e-mails Americans send out each day, and to what end?

For more information, check out the show's Website.