COBB COUNTY, Ga. — Cobb County police arrested three people after they found a rolling meth lab inside a car during a traffic stop.Officials said an officer made a traffic stop near a gas station at Highway 41 and Highway 92 near Acworth on Thursday night.Police said they found the meth lab inside a Chevrolet Impala. Officials said all the components necessary to make methamphetamine were packed inside the car.Three people inside the car were arrested. Their names have not been released.A special police team that dismantles meth labs was called to the scene.