Episodes (23)

When an online vigilante group targets pedophiles, Intelligence must work to intercept a series of live-streamed killings.

A ring of alarmingly young bank robbers hits Chicago, raising concerns for the Intelligence Unit; who is the mastermind behind this group of delinquent teens?

Voight goes toe-to-toe with an old boss after learning that he may have caused an innocent man to serve a life sentence.

After Burgess' sister Nicole is brutally assaulted, the team lends their full focus to catching the rapist; Burgess takes an active role in the investigation despite Voight's concerns.

A crime videographer is found dead, with his equipment and data destroyed - and the murder shows connections to a wealthy Chicago family with a long legacy; Burgess' sister Nicole visits while going through a tough time at home.