Chicago police are investigating how a police officer was shot and killed while conducting an investigatory stop in Chatham Thursday night. Officer Krystal Rivera was among officers on a tactical team who were on patrol in the South Side neighborhood when they attempted to conduct an investigatory stop in the 8220 block of South Drexel Avenue just before 10 p.

A Chicago police officer was shot and killed during an armed confrontation in a Chatham apartment Thursday night, authorities said.

A 36-year-old police officer who was a mother to a young daughter and four-year veteran of the Chicago Police has been shot and killed while on duty in Chicago.