@CNN: Violent crime is like infectious disease — and we know how to stop it spreading | via @CNNhealth https://t.co/GeQ9WeXD4n https://t.co/69VyzyrzTK

@CNN: Violent crime is like infectious disease — and we know how to stop it spreading | via @CNNhealth https://t.co/GeQ9WeXD4n https://t.co/69VyzyrzTK