Mark Klein, AT&T Whistleblower Who Exposed NSA’s Mass Surveillance, Dies

Before Edward Snowden, Mark Klein blew the whistle on NSA internet spying.

Mar 13, 2025 1

Mark Klein, AT&T Whistleblower Who Exposed NSA’s Mass Surveillance, Dies
Before Edward Snowden, Mark Klein blew the whistle on NSA internet spying.
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