What happened to Kate Brennan on Chicago PD?

Kate Brennan (Anne Heche) was a controversial figure on Chicago PD. The character established herself as a force to be reckoned with in the Mayor’s office, and would often alternate between being an alley and an obstacle for the IU.

Given the character’s prominence in season 6, her exit in season 7 was one of the most surprising and dramatic moments in the entire show. It’s worth revisiting as Chicago PD enters the break for its tenth season, and fans turn to reruns and streaming.

Here’s what you need to know about Brennan’s exit.

Did Kate Brennan die on Chicago PD?

Brennan’s prominence skyrocketed when Mayor Kelton (John C. McGinley) was murdered in the season 6 finale. It was determined that the gun that was used to kill him was taken from a police raid a few years earlier, and officer who took it was a close friend of Brennan’s. Furthermore, the character was paying for the apartment where the officer lived.

The more Voight (Jason Beghe) looked into the case, the more it looked like Brennan was tied to it. She eventually caves, and tells Voight that she “had to do it”, with the “it” being the murder of the Mayor. Halstead attempts to apprehend Brennan, and she draws her weapon on the officer before attempting to turn it on herself.

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Fortunately, Upton (Tracy Spiridakos) was able to get the weapon away from Brennan. Voight had previously told Brennan that he could give her an hour to escape, but the miscommunication with Halstead and the rest of the team led to his promise being broken— something the veteran was very upset about.

Brennan was taken into custody, found guilty of murder, and sent to prison for three years. It’s possible the character could return, given the relative shortness of her prison stint, and Voight’s unresolved issues with her. We’d be very interested to see the issues she could pose for Voight, given his desire to take a more upstanding approach to police work in recent episodes.

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