Former AT&T technician Mark Klein is the key witness in the Electronic Frontier Foundation's class-action lawsuit against the telecommunications company, which alleges that AT&T cooperated in an illegal National Security Agency domestic surveillance program.
Inside the Secret Room
In a public statement Klein issued last month, he described the NSA's visit to an AT&T office. In an older, less-public statement recently acquired by Wired News, Klein goes into additional details of his discovery of an alleged surveillance operation in an AT&T building in San Francisco.
Klein supports his claim by attaching excerpts of three internal company documents: a Dec. 10, 2002, manual titled "Study Group 3, LGX/Splitter Wiring, San Francisco," a Jan. 13, 2003, document titled "SIMS, Splitter Cut-In and Test Procedure" and a second "Cut-In and Test Procedure" dated Jan. 24, 2003.
Here we present Klein's statement in its entirety, with inline links to all of the document excerpts where he cited them. You can also download the complete file here (pdf). The full AT&T documents are filed under seal in federal court in San Francisco.
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