A group of teenagers believed from the Chicago area broke into a luxury car dealership in Wisconsin and drove off with nine vehicles worth more than a half-million dollars, police said.Sunday's heist at a Jaguar-Land Rover in Waukesha was captured on surveillance camera footage that shows nine masked suspects dressed all in black filing into the dealership before each drives off in a car in the city about 19 miles (30.5 kilometers) west of Milwaukee.The surveillance video shows one car being backed up and smashed through an overhead service door at the dealership during the thefts. Source: Waukesha Police Department, WISN