O nce NBC announced that Tracy Spiridakos was leaving Chicago PD after season 11, the show hunted for her character's replacement, but Hailey Upton's first successor didn't stick ...

Contains spoilers for "Chicago PD" Season 11, Episode 12 -- "Inventory" Hailey Upton (played by Tracy Spiridakos, who influenced her character's backstory) is definitely in a bad way as "Inventory ...