On Sunday morning, police were called to a hotel at 169th and Halsted for a report of a possible armed robbery.
Officers say as they walked toward the building, Brown tried to run over them. According to police, they feared for their lives and opened fire.
"The best kid in the world, finished high school, he did some college down in DeKalb," said Joyce Evison-Brown, mother.
The Illinois State Police were called to help investigate the shooting.