Liz Garbus

When Mari Gilbert's daughter disappears, police inaction drives her own investigation into the gated Long Island community where Shannan was last seen...

The film chronicles Nina Simone's journey from child piano prodigy to iconic musician and passionate activist, told in her own words.

Assembled by some of the nation's top documentary filmmakers, this centerpiece film in HBO's 'Addiction' campaign features insights from experts on tr...