It is often some of the most compelling video you can watch: A police officer's body camera rolling as they approach a scene and bust bad guys.

With many accusations of wrongful police shootings, brutal violence and allegations of misconduct, cops are fighting back with this non-lethal weapon.

And those little cameras may be one of the biggest factors in reducing the amount of crime in your city.

Jason Mattera rides along with officers in California to see how the cameras have revolutionized their day-to-day lives.