Police-blotter article has, among other things, a neat little instance of police body cams fighting crime:

…At approximately 11:36pm, an officer who "observed a vehicle blow[ing] through a stop sign" at Frederick and Willard used one of the police department's newly issued body cameras to trip up a mendacious motorist. After Ofc. Chicas pulled over the female driver, she "began arguing and claiming she did stop," until he "showed the video to the violator, who then changed her story." …