Adrian Rucker, 25, of Freeport, Illinois, is facing multiple felonies, including armed violence, possession of a fraudulent ID, and possession of a firearm without a FOID card.

Chicago police officials say an officer killed this week was accidentally shot and killed by her partner after they encountered someone with a rifle when they chased a suspect into an apartment.

Adrian Rucker, 25, faces multiple felony charges in connection with an alleged armed encounter that led to the fatal shooting of Chicago police officer Krystal Rivera in the Chatham neighborhood