After three years of calling detectives for updates — including 10 months during which he says he got no response at all — Wagner says he found out last month that the police have formally dropped the investigation of his shooting without an arrest. One-quarter of the detectives working shooting investigations in Chicago in 2024 were assigned more than 10 cases over the course of the year. This year, using Denver as a model, the Chicago Police Department has assigned 58 detectives citywide to exclusively handle shooting investigations.