Police brutality is in the news, thanks to the widespread availability of amateur video and the omnipresence of security cameras.
from their website: http://westdenvercopwatch.wordpress.com/
....Police are consistently traumatizing and occupying our communities. Something as simple as a video camera, a pen and a pad of paper can significantly help deter the police from violating our community members’ rights. We collect footage that both holds the police accountable and informs the people of their abuse of power.