Edward Snowden told the Guardian newspaper he was motivated solely by a desire to inform the public about the "massive surveillance machine."
"I have no intention of hiding who I am because I know I have done nothing wrong," he said. But with the US government seeking a criminal probe into the leaks, he admitted: "I do not expect to see home again."
The newspaper, which posted a video interview of Snowden clearly showing his face, said it was revealing his identity at his request.
"My sole motive is to inform the public as to that which is done in their name and that which is done against them," Snowden said.
More From This Section
Three weeks ago, he packed his bags for Hong Kong and left a salary of about USD 200,000, a girlfriend with whom he lived in Hawaii, a stable career and a loving family, according to The Guardian.
"I'm willing to sacrifice all of that because I can't in good conscience allow the US government to destroy privacy, Internet freedom and basic liberties for people around the world with this massive surveillance machine they're secretly building," Snowden said.
"The NSA has filed a crimes report on this already," Clapper told NBC, referring to the leaks to The Guardian and The Washington Post.