Chicago_p_d_s07e01 · Authentic & Limited

: Hank Voight is initially the prime suspect because his SUV was spotted near the crime scene. However, the investigation eventually shifts toward Katherine Brennan , Kelton's former right-hand woman, who is revealed as the killer.

In the Season 7 premiere, titled " Doubt ," the Intelligence Unit deals with the immediate aftermath of Mayor-elect Brian Kelton’s murder. The episode serves as both a resolution to the Season 6 cliffhanger and a departure for a original cast member. Key Plot Points Chicago_P_D_s07e01

: Adam Ruzek begins the season in custody, having been stripped of his police powers after taking the fall for Antonio’s actions in the previous season. He is eventually bailed out by Voight. Cast & Guest Stars Chicago P.D.: Season 7, Episode 1 | Cast and Crew : Hank Voight is initially the prime suspect