District 21 of the Chicago Police Department is made up of two distinctly different groups. There are the uniformed cops who patrol the beat and go head-to-head with the city's street crimes. And there's the Intelligence Unit, the team that combats the city's major offenses - organized crime, drug trafficking, high profile murders and beyond.
Break the rules. Not the law.
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Did You Know?
In Chicago PD season 2, episode 19 they bust a gang leader played by Brian Tee who eventually became Dr. Ethan Choi on Chicago Med. See more
Referenced in Chicago Fire: Wow Me