This week, the American Civil Liberties Union began examining the militarization of America’s police forces by filing more than 255 public records requests in 23 states to “determine the extent to which federal funding and support has fueled the militarization of state and local police departments,” the ACLU website states.

The I Files pays homage to the Academy Awards this week, bringing you excerpts from this year’s nominated documentaries. We’re also featuring clips from memorable past winners, as well as two documentaries that tell the real-life stories dramatized in two of this year’s most talked about Best Picture contenders.