for years worked to help young people surrounded by violence in the city. now a director of the ymca, he also serves on the mayor's commission for a safer chicago. you, sir. so this space here that you've got, what do you use this for? so we use this space for a lot of our kids, between the ages of 13 and 18. many of them who are in gangs. many of them who are on probation or parole. more importantly, kids who experience a lot of chronic violence. when you see the front page of a paper, saying a 15—year—old person killed someone else, these are the kids. gunshot victim. the response from chicago's police department is a new initiative, driven by technology, which aims to predict where crimes are likely to occur. the university of chicago's urban labs are assisting the police in its efforts to integrate this technology into its operations. we have a lot of expertise in analysing crime patterns and trends in the city, from years of working with data on the city of chicago. and so we are leveraging that expertise to really help the police department think about where it should be allocating its resources to be most effective. so what kind of data or