The backdrop against which the events of "Castle" are seen, this is home to Beckett, Esposito and Ryan and permanent playground to Rick Castle. The 12th has had two captains so far whilst Castle has been running loose, Roy Montgomery and Victoria Gates.
In 2015, Captain Gates was promoted, and Beckett was assigned as the new precinct commander in XY.
- Detective Kate Beckett (Homicide, former -2015)
- Detective Javier Esposito (Homicide)
- Detective Kevin Ryan (Homicide)
- Detective Tom Demming (Robbery)
- Detective Roselyn Karpowski (Homicide)
- Detective Grant Sullivan (Homicide)
- Detective Gilbert Mazzara
- Officer Kate Beckett (past former) (Under the Gun)
- Officer Mike Royce (Ret.) (Under the Gun)
- Officer L.T. Tolliver
- Officer Ann Hastings
- Officer Clayton Lee
- Officer Mindy Stegner
Known Association with 12th
- Medical Examiner Lanie Parish
- Medical Examiner Sidney Perlmutter
- Alexis Castle (Intern at the M.E. office, 2012)
- Medical Examiner Laura Wilson
- Detective Ethan Slaughter (Gangs)
- The 12th Precinct detective room was also the setting for the popular 70s sitcom Barney Miller. That setting, however, was much smaller and in a decrepit state, with the age and condition of the building used for a series of jokes.[references needed]
- ↑ Didn't stated if he was with 12th precinct or not
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