phone. >> how has it been? >> it is a good tool. >> it is helpful for us so we know when we got our camera and the demeanor changes. it changes for the better i believe. this is our third eye. >> someone can say well, you beat me or you did this to me or that. when you view the camera, it is all on here. the camera continue lie. >> last year there are over 12,000 crime offenses in the city, that includes aggravated assault and rape and murder. staggering of 32 incidents a day >> we are taking every precaution. >> they're part of the tactical unit, which means they are assigned high priority calls including guns and violence. >> about how many calls do you respond to a night on average? >> maybe about 10.