: The unit eventually identifies Martin Borjas as the mastermind behind the hits ordered on Dwight Darnell and Chief Taylor.
Season 5 is marked by high-stakes investigations and a major shift in the LAPD hierarchy:
: Deputy Chief Winnie Davis emerges as a primary antagonist to the squad, clashing with Raydor as they both become candidates for the Assistant Chief position. Major Character Milestones
: In the multi-part episode "White Lies," a mass shooting at the Los Angeles County Courthouse results in the death of Assistant Chief Russell Taylor .