比斯诺登更早揭发NSA的吹哨人辞世，他亲手搭建了NSA的监控网络，并与之战斗到死。他是马克·克莱因（Mark Klein）——一个退休电信工程师，也是美国“棱镜门”前传中唯一握有物理铁证的吹哨人。

In 2006, a retired AT&T engineer knocked on the door of the EFF's office in a rundown part of San Francisco's Mission ...

Mark Klein, a whistleblower who exposed a National Security Agency program of mass government spying on American internet ...

Klein, a former AT&T technician turned whistleblower, exposed mass surveillance by the U.S. government in 2006.

The US whistleblower Mark Klein is dead. He made it public for the first time that the NSA was also eavesdropping on US ...

Mere days ago, a man by the name of Mark Klein passed away – he was a telecommunications technician for AT&T for 22 years and ...

In 2006, he shared corporate documents showing how the National Security Agency was accessing internet data through a secret room in an AT&T office building.

The Electronic Frontier Foundation (EFF) recently announced the passing of Mark Klein, the AT&T whistleblower who exposed the ...

Mark Klein, the former AT&T employee who helped expose the fact that the National Security Agency was spying on vast amounts of internet traffic in the U.S. during the mid-2000s, has died, according ...

In 2006 the AT&T whistleblower exposed a secret room inside the company that routed network traffic to the NSA, leaking ...

The unlikely hero who stood up to the government Mark Klein, the AT&T technician who blew the whistle on one of the most ...

And POLITICO’s Canada editor Sue Allan has a brisk dive into “55 Things to Know About Canada’s Next Prime Minister, Mark ...