>> investigator doma submits the valuable intel to detectives assigned to the troubled housing project. the investigation remains open. up next -- >> muchacho! why you running, my friend? >> chicago police try to reclaim gang-infested neighborhoods by using intel. last time i was at a gas station was about...i would say... two months ago. i very rarely put gas in my chevy volt. i go to the gas station such a small amount that i forget how to put gas in my car. [ male announcer ] and it's not just these owners giving the volt high praise. volt received the j.d. power and associates appeal award two years in a row. ♪