Documentary Film

Laura Poitras, who has teamed up with journalists uncovering the NSA's secret internet-surveillance programme. Photo: NYT

Filmmaker Laura Poitras examines US security issues

Laura Poitras, 49, played a key role in the Washington Post story revealing a secret National Security Agency programme that used data from internet firms with reporter Barton Gellman. She was also part of The Guardian team with reporter Glenn Greenwald that conducted the video interview with source Edward Snowden.