Mark Klein of California allegations against a telecommunications company launched dozens of consumer lawsuits in early 2006. Photo: AP
Mark Klein of California allegations against a telecommunications company launched dozens of consumer lawsuits in early 2006. Photo: AP

Before Snowden, Mark Klein tried to expose warrantless US surveillance

Mark Klein of California allegations against a telecommunications company launched dozens of consumer lawsuits in early 2006. Photo: AP
Mark Klein of California allegations against a telecommunications company launched dozens of consumer lawsuits in early 2006. Photo: AP
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