The image is grainy, the fixed camera angle is awkward, and the audio is muffled and scratchy. But the revelatory footage, shot inside California’s supermax Pelican Bay prison, strips bare a moment in 2011 when society’s most forgotten and invisible population seizes the levers of power. Four men sit tensely at a table across from a high-level state official. In a terse and pointed dialogue, they seek to negotiate an end to their government-sanctioned torment.