 We need to ensure that we are holding every single individual accountable for the pain and trauma and the torment that they have caused in this city. Last year, 11 people were killed and 62 wounded over the four-day holiday weekend. Mayor Johnson says with the help of more requested federal resources, he'll double down on efforts to get guns off the street and demand people step up and say something if they know who caused the violence. Chicago PD Superintendent Larry Snelling.