|The Radical Truth|
|Season 8, Episode 10|
|Airdate||March 31, 2021|
|Written by||Scott Gold|
|Directed by||Lisa Demaine|
Signs of Violence
The Radical Truth is the ninth episode of the eighth season and the 158th overall episode of Chicago P.D..
Ruzek's father, Bob, goes missing and the team races to find him before it’s too late.
- Jason Beghe as Sergeant Hank Voight
- Jesse Lee Soffer as Detective Jay Halstead
- Tracy Spiridakos as Detective Hailey Upton
- Patrick John Flueger as Officer Adam Ruzek
- Marina Squerciati as Officer Kim Burgess
- LaRoyce Hawkins as Officer Kevin Atwater
- Amy Morton as Desk Sergeant Trudy Platt
- Nicole Ari Parker as Deputy Superintendent Samantha Miller
- Ruzek's father, Bob, officially retires.
- Adam mentions Alvin Olinsky who last appeared in Season 5.
- Adam and Kim hit a rough patch.