Joy Lockhart

Joy Lockhart is the Deputy Chief of the LAPD. She is the one who assigns Officer Kyle Craig to go undercover to investigate Detective Frank Rourke of the SIS after suspecting Rourke of being corrupt like Alonzo Harris. She is the triangonist of Training Day (TV series).

Biography
After hearing about how Craig and his partner Officer Jen Mitchell saved a woman and her daughter from a criminal in their apartment during a high-profile drug raid. Lockhart called Kyle and told him to meet her at Los Angeles City Hall. After meeting her there, Lockhart asked Craig what he knows about deceased former Detective Alonzo Harris. Kyle tells him that he studied him in ethics class, he was a great cop but somewhere across the line he lost a meaning. Lockhart tells him that in the aftermath of Alonzo's death, judges toss out every case of Alonzo's as much as breathe on. Packs of murderers released back into the wild and the murder rate in the city soared. Alonzo was still killing even after his death. She assigns him to go undercover to investigate Frank Rourke of the Special Investigation Section to make sure Rourke doesn't become the next Alonzo Harris.

Behind the scenes
Joy Lockhart is protrayed by Marianne Jean-Baptiste in Season 1 of Training Day