Chicago PD

CHICAGO P.D. -- "Confidential" Episode 511 -- Pictured: Elias Koteas as Alvin Olinsky -- (Photo by: Matt Dinerstein/NBC)

Chicago PD season 5, episode 11 photos: Confidential

This week in One Chicago history: What happened from January 8 to January 14

Chicago PD season 5, episode 11 synopsis and promo: Confidential

One Chicago ratings report: Week of January 2

CHICAGO PD -- Season: 1 -- Pictured: (l-r) LaRoyce Hawkins as Detective Kevin Atwater, Amy Morton as Sgt. Trudy Platt, Marina Squerciati as Officer Kim Burgess, Brian Geraghty as Officer Sean Roman, Jon Seda as Det. Antonio Dawson, Jason Beghe as Sgt. Hank Voight, Sophia Bush as Det. Erin Lindsay, Jesse Lee Soffer as Det. Jay Halstead, Patrick Flueger as Det. Adam Ruzek, Elias Koteas as Det. Alvin Olinksy -- (Photo by: Paul Drinkwater/NBC)

Chicago PD celebrates its fourth anniversary

CHICAGO P.D. -- "Confidential" Episode 511 -- Pictured: Jason Beghe as Hank Voight -- (Photo by: Matt Dinerstein/NBC)

New Year’s resolutions for our favorite One Chicago characters

CHICAGO P.D. -- "Rabbit Hole" Episode 510 -- Pictured: Tracy Spiridakos as Hailey Upton -- (Photo by: Parrish Lewis/NBC)

Chicago PD season 5, episode 10 takeaways: Rabbit Hole

CHICAGO P.D. -- "Rabbit Hole" Episode 510 -- Pictured: Jesse Lee Soffer as Jay Halstead -- (Photo by: Parrish Lewis/NBC)

Chicago PD season 5 midseason premiere recap: Rabbit Hole

CHICAGO P.D. -- "Rabbit Hole" Episode 510 -- Pictured: (l-r) Jason Beghe as Hank Voight, Tracy Spiridakos as Hailey Upton, Jesse Lee Soffer as Jay Halstead -- (Photo by: Parrish Lewis/NBC)

Chicago PD season 5, episode 10 preview: Rabbit Hole

CHICAGO P.D. -- "Rabbit Hole" Episode 510 -- Pictured: (l-r) Jason Beghe as Hank Voight, Tracy Spiridakos as Hailey Upton, Jesse Lee Soffer as Jay Halstead -- (Photo by: Parrish Lewis/NBC)

Chicago PD season 5 midseason premiere photos: Rabbit Hole

CHICAGO FIRE -- Season: Pilot -- Pictured: (l-r) Teri Reeves as Hallie, David Eigenberg as Christopher Hermann, Charlie Barnett as Peter Mills, Lauren German as Leslie Shay, Monica Raymund as Gabriella Dawson, Taylor Kinney as Kelly Severide, Jesse Spencer as Matthew Casey, Eamonn Walker as Battalion Chief Wallace Boden -- (Photo by: Sandro/NBC)

This week in One Chicago history: What happened from January 1 to January 7

CHICAGO P.D. -- "Rabbit Hole" Episode 510 -- Pictured: (l-r) Jesse Lee Soffer as Jay Halstead, Anabella Acosta as Camila Vega -- (Photo by: Parrish Lewis/NBC)

One Chicago crossovers: Guest stars for the week of January 2

CHICAGO P.D. -- "Rabbit Hole" Episode 510 -- Pictured: (l-r) Tracy Spiridakos as Hailey Upton, Jason Beghe as Hank Voight -- (Photo by: Parrish Lewis/NBC)

Chicago PD season 5 midseason premiere synopsis: Rabbit Hole