Masked vandals shattered windows, set fires and plastered downtown businesses with graffiti before police moved in, dispersing crowds with tear gas and flash-bang grenades and making dozens of arrests.

"[1] The apparently unprovoked shooting of Campbell was documented by the resulting point-of-view video from his own camera.

University of South Carolina criminal justice professor Geoffrey Alpert said that unless something occurred off-camera to provoke the officer, the shooting was "one of the most outrageous uses of a firearm" he'd ever seen.

"Unless there's a threat that you can't see in the video, that just looks like absolute punishment, which is the worst type of excessive force," Alpert told the Oakland Tribune.

[2] Campbell and co-plaintiffs filed suit in Federal Court in November 2011.