Mónica Sánchez

Brenda's squad investigates the murder of a former gang banger, but evidence indicates the victim may not have been the target. The case leads Brenda on a return trip to the doorstep of Father Jack (guest star Mark Rolston - "Cold Case," "The Shield") and the Crenshaw Community Center, where an upset neighborhood is convinced the LAPD doesn't care about stifling crime in the area. It's up to Brenda to prove otherwise.

While investigating a judge's murder, Nash triggers an internal probe. But when the Internal Affairs cops go bad, only Nash and the SIU can stop them.

In the midst of the Iowa caucuses, Frank and Claire must confront hard truths about each other.