The state level is where we've seen we can make real changes. This is something that would dramatically reduce all of the violence from a police force that is basically out of control.
The petition is here:
“Earlier this year, a 12-month study by Cambridge University researchers revealed that when the city of Rialto, California, required its cops to wear cameras, the number of complaints filed against officers fell by 88% and the use of force by officers dropped by almost 60%. Watched cops are polite cops.”