Ashley Lindsay (C) leads fellow members of the Oakland SAVE coalition in a chant during a recent rally to honor a man killed at this intersection last fall.
The massacre at Sandy Hook Elementary school in Newtown, Connecticut has opened a new national dialogue about guns and gun violence. In a three part series, we'll be focusing on gun violence in communities and why some consider it a public health emergency. We begin in Oakland with a profile of a group of residents organizing to try and stop the shootings. Reporter: Mina Kim