The title of the episode is a play on the comic book team "Birds of Prey" that is led by James Gordon's daughter, Barbara Gordon.
The name of the very first victim in the case is named Grace Fairchild. This is a reference to the comics. In the comics storyline "Bruce Wayne: Murderer?" The victim Bruce Wayne is accused of killing is Vesper Fairchild.
The Ogre's Apartment is the same apartment that briefly appears in the show "Elementary".
The front page headline of the newspaper being read by Harvey Bullock is visible for an instant at exactly 10:00. It reads, "NARCO DETECTIVE VINDICATED".
Marks the first episode after the mid season finale