In her film, "Time," that earned her a Best Documentary Oscar nomination, director Garrett Bradley tells the story of Sibil Fox Richardson, a woman fighting for the release of her husband from prison.

"It felt like there is such an absence, such a void of talking about this issue from a Black woman's point of view, from a mother's point of view, from a family's point of view and it just was a natural thing that happened," she said on "Salon Talks."

Watch the full episode above to hear more about why Bradley made the film in black and white and why she thinks images are so important for creating systemic change.