We found this over the holidays while browsing Netflix instant play.
Highly recommending:

Leave it to a Swedish film crew to deliver a deeply insightful look at America’s Black Panther Party with rare, rare footage of such icons as Stokely Carmichael (and his mother, Mabel R. Carmichael), Huey Newton, Eldridge Cleaver, and Angela Davis (a potent interview from jail). This is a must see: