The Secret Partnership Between Silicon Valley and the NSA

Frontline’s Martin Smith explores the secret relationship between Silicon Valley and the National Security Agency, looking into how the government and tech companies are working together to gather and warehouse your data and investigating what they’re doing with it. Frontline’s two-part documentary “United States of Secrets” tells the inside story of how the government came to spy on millions of Americans—from September 11, 2001, to the present. Part 2 airs May 20 on PBS.