One Chicago & FBI Wiki
One Chicago & FBI Wiki
A Little Devil Complex
Season: 3
Episode: 10
Original airdate: January 6, 2016
Written by: Jamie Pachino
Directed by: Holly Dale
Episode chronology
Previous episode: Never Forget I Love You
Next episode: Knocked the Family Right Out


A doctor with personal connections to Voight is under investigation when four of his patients are committed to Chicago Med after an overdose of chemo. The doctor denies Lindsey and Halstead access to his files, but after obtaining a warrant the team is able to track down his patients and discover all of them have been poisoned with unnecessary chemo. Meanwhile, Burgess and Platt work together to clear Roman's name.


Main Cast

Guest Stars


  • Abby Lee as Callie Gibson
  • Keith D. Gallagher as Denny Gibson
  • Ed Flynn as Detective Lawrence Stark
  • John Mossman as Judge
  • Cassie Kramer as Patient with Olinsky
  • Jaeleen Davis as Patient with Antonio
  • Charlette Speigner as Patient with Atwater
  • Bobby L. Daye as Forensic Accountant
  • Shelby Garrett as Tina
  • Tirf Alexius as Jury Foreman
  • Jessica Ridenour as Young Lawyer


Background information and Notes

Chicago P.D. season 3
Episodes Life is FluidNatural Born StorytellerActual Physical ViolenceDebts of the PastClimbing Into BedYou Never Know Who's WhoA Dead Kid, a Notebook and a Lot of MaybesForget My NameNever Forget I Love YouNow I'm GodKnocked the Family Right OutLooking Out for StatevilleHit MeThe Song of Gregory Williams YatesA Night OwlThe Cases That Need to Be SolvedForty-Caliber Bread CrumbKasual With a KIf We Were NormalIn a Duffel BagJusticeShe's Got UsStart Digging
Other Seasons Season 1Season 2Season 4Season 5Season 6Season 7Season 8Season 9