Mayor Rahm Emanuel

A shootout with a drug suspect ended with three Chicago police officers injured and the suspect dead. The officers are recovering from their injuries, and investigators say they recovered the suspect's weapon.

April Goggans stood silently holding a sign that read, "16 shots and a cover up #LaquanMcDonald #ResignRahm," according to CNN.

More revelations in the Laquan McDonald police shooting case continue to come to light, alluding to a cover-up orchestrated by city officials in Chicago.

The investigation will examine police practices used in the October 2014 shooting of Laquan McDonald and dive deeper into other police shootings, training, and the use of deadly force.