Chicago police commander fatally shot

A Chicago police officer was shot and killed after engaging with a suspect.

A Chicago police officer was shot and killed after engaging with a suspect near the Thompson Center in downtown Chicago.Interested in Chicago?Add Chicago as an interest to stay up to date on the latest Chicago news, video, and analysis from ABC News.ChicagoAdd InterestChicago Police Superintendent Eddie Johnson appeared before reporters during a press conference to explain the incident.He said ...