While Hank Voight (Jason Beghe) has an entire unit at his disposal, he prefers to work solo, only letting people in on a need-to-know basis. He has imparted lessons to the members about the unit's hierarchy, and all of them are aware of their place within it. However, Chicago P.D. Season 13 is about to shake up the status quo with a new addition who doesn't view herself as Voight's subordinate, but more like his equal. Arienne Mandi joins Chicago P.D. in the upcoming season as Eva Imani. "She's coming from the ATF, so she's got a different background," showrunner Gwen Sigan revealed in a new interview. Her combined experience in law enforcement, combined with her removal from this department and Voight's clan, makes her like nothing they've ever seen before. Sigan explained, saying,