Albert Woodfox

There are some human experiences which most of us find it very hard to get our heads around. Stephen Sackur speaks to Albert Woodfox, former Black Panther and member of the Angola 3, who experienced the unimaginable torment of more than four decades in solitary confinement in a tiny cell in one of America's most notorious prisons. He was the victim of ingrained racism and brutality inside America's criminal justice system. He is now a free man, but what does freedom really mean after everything he's been through?