District 21

District 21 is a Patrol District which is located in Patrol Area C/S/N in the Chicago Police Department.

District Commanders

 * Commanders
 * Commander - Ronald Perry, (S1 E1 - S2 E1)
 * Commander - ____ Fischer, (S2 E2 - S3 E4)
 * Commander - Emma Crowley, (S3 E5 - S4 E13)
 * Commander - ____?____, (S4 E14 - S5)
 * Commander - ____?____, (S6 - S7)
 * Commander - ____?____, (S8 - Present)
 * Commander - ____?____, (S10 - S11)
 * Captain's
 * Captain - _____?_____, (S1 - S2)
 * Captain - _____?_____, (S3 - S4)
 * Captain - _____?_____, (S5 - S6)
 * Captain - _____?_____, (S7 - S8)
 * Captain - _____?_____, (S9 - Present)

District Supervisors

 * Lieutenant -
 * Lieutenant -
 * Lieutenant -
 * Lieutenant -
 * Sergeant - Henry Voight, Officer in Charge of the Intelligence Unit
 * Sergeant - ____ Pruitt
 * Sergeant - Trudy Platt, Officer in Charge of the Patrol Division
 * Sergeant -
 * Sergeant -

District Detectives

 * Detective - Antonio Dawson, Intelligence Unit
 * Detective - Hailey A. Upton, Intelligence Unit (S_ E_ - Present)
 * Detective - Julie B. Willhite, Intelligence Unit (S1 E1 Only)
 * Detective - Jay Halstead, Intelligence Unit
 * Detective - Kenny Rixton, Intelligence Unit (S4 E_ - S4 E_)
 * Detective - Alvin Olinsky, Intelligence Unit
 * Detective - Erin Lindsey, Intelligence Unit (S1 - S4)
 * Detective - Sheldon Jin, Intelligence Unit (S1 - S2)
 * Detective - Mia Sumner, Intelligence Unit (S1 - S2)

District Officers

 * Field Training Officer -
 * Field Training Officer -
 * Field Training Officer -
 * Field Training Officer -
 * Field Training Officer -
 * Patrol Officer -
 * Patrol Officer -
 * Patrol Officer -
 * Patrol Officer -
 * Patrol Officer -

Support Personnel

 * Ballistics Technician: Officer - Maury Kerr