[s4e20] The Slaughterhouse -

: The episode sets up a major series arc when it is revealed that Hawkins is actually a dirty cop who is robbing the banks herself. Subplots & Comedy

: This episode serves as the first half of a two-part finale arc that leads directly into the high-stakes Season 4 finale where Jake and Rosa face trial. If you'd like, I can: Summarize the Season 4 finale that follows this episode. List other episodes featuring Lieutenant Melanie Hawkins . Provide a list of Amy Santiago's best "angry" moments. "Brooklyn Nine-Nine" The Slaughterhouse (TV Episode 2017) [S4E20] The Slaughterhouse

: Terry Jeffords, Charles Boyle, and Captain Holt use different "parenting" styles to resolve a petty dispute between Hitchcock and Scully . : The episode sets up a major series

: Amy struggles with her fear of authority, eventually culminating in a hilarious outburst directed at Captain Holt. Key Production Details Director : Victor Nelli Jr. Air Date : May 16, 2017 List other episodes featuring Lieutenant Melanie Hawkins

: Despite promising not to compete, both detectives sabotage each other to impress Hawkins while pursuing a bank robber named Billy Ocampo.

Jake Peralta and Rosa Diaz compete to join a prestigious task force called , led by their idol, Lieutenant Melanie Hawkins (guest star Gina Gershon ).