The report recommended expansions as well as improvements in mental health services available to officers, specifically in the Chicago area.
The officers were attempting to take the suspect into custody when "during the arrest process the offender was able to fire multiple shots at arresting officers", Chicago Police Supt.
The most seriously wounded officer is now in critical condition, while the other officers have been treated and released. An autopsy was scheduled for Wednesday at the Cook County Medical Examiner's Office on the remains of Deputy Chief Dion Boyd.
Brown also pleaded with officers to "always do not forget to take care of ourselves and each other".
Two other officers suffered chest pains following the shooting and were taken to Loyola University Medical Center for treatment as well, NBC reported. Hospital of Cook County, Brown said.
A high-ranking member of the Chicago Police Department who was promoted earlier this month was found dead after he apparently shot himself in a station on the city's West Side, authorities said.
Within an hour of the shooting, about two dozen CPD squad cars were parked along Grand Avenue, which was closed to other traffic. That's who's responsible for shooting the officer in the face, the offender.
Brown said the incident happened after officers had spotted a auto wanted in a downtown carjacking that happened on June 26, and arrested the suspect.
Police sources told CBS 2 that Boyd's colleagues discovered his body in his office.
"Then I could hear the police sirens racing down the street, then the ambulance". Please, officers, please, stay humble, stay human, stay safe, stay well.