"The Black Power Mixtape 1967-1975" - an excerpt of an interview with Angela Davis. This is also an excellent documentary that aired on PBS a few years ago. It uses footage shot by a group of Swedish journalists documenting the Black Power Movement in the United States at the time.
"You should recognize these names. They all belong to unarmed black men who were killed by law enforcement since July 2014 for seemingly inexplicable reasons: allegedly selling loose cigarettes, allegedly holding a toy gun in the toy section of Wal-Mart, allegedly running away after a scuffle with the cops, and allegedly complying with police and lying down on the street."