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1971 premieres on PBS’s Independent Lens on Monday, May 18, 2015.

Protecting Anonymity Independent Lens

Premiered May 17, 2015
Protecting Anonymity: asset-mezzanine-16x9
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Protecting Anonymity

1971 filmmaker Johanna Hamilton joins The Burglary author Betty Medsger and Citizen Four director Laura Poitras to discuss the measures Medsger and the Washington Post took to protect the anonymity of their sources, the Media, PA burglars, who revealed FBI surveillance of American citizens some forty years before the Snowden revelations exposed large-scale NSA surveillance in the digital age.

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