 CONT: After their house blows up and they are stealing their  neighbor’s car, you can hear sirens in the background as John backs  the car out of the driveway. When a shooter tries to stop them, John  backs into him and jumps out to steal the shooters gun and you no  longer hear the sirens. Then when John gets back into the car and  resumes backing out of the driveway, you can hear the sirens again.