Chicago PD: Season 3, Episode 7

3 - 7: A Dead Kid, a Notebook and a Lot of Maybes

Intelligence sets out to find a missing teenaged boy who they believe poses a serious threat to the students at his wealthy school after finding disturbing drawings in his notebook. Meanwhile, Atwater is eager to make a good impression on a prominent African American police Captain and Olinsky and Michelle find themselves in a difficult situation and turn to Ruzek and Burgess for help.