An exterior of the police station shows "9th Precinct" but Beckett and her fellow officers work in the 12th Precinct.
The photos on this page are from "Nanny McDead" season 1, episode 2.
Tiffany's website has a typo in its banner. "Liasons" should be "Liaisons."
When Beckett asks Creason in interrogation where he was between 11 and midnight, with Caste looking from the other room, we see Creason's lawyer speaking, but we don't hear her.
(at around 28 mins) After listening to Kirby's confession to blackmail, Captain Montgomery says, "...my three year old son could come up with a better story than that." However, it is revealed in a later episode (S.3 E.24) that Capt. Montgomery has only two daughters.