S4, E5: While the Major Crimes unit investigates a complicated gangland shooting, Detective Amy Sykes finds she must protect the identity of a witness capable of identifying the killer. Rusty struggles with how to manage newly gained information on the Alice case and Lt. Flynn works to gain the courage to take his relationship with Captain Raydor to the next level. Guest stars include KATHE MAZUR, BILL BROCHTRUP, JASON MITCHELL, NIC FEW and ARIANA JAFFIER.