Sonny Mario Ayon

After an incident involving Wallowski, the Lightman Group is called upon to examine police profiling techniques. Internal Affairs make their presence known too.

Paranoia sweeps through the team when Granger is poisoned by the mole, prompting Hetty to order a lockdown while everyone is investigated.

Season Finale. The day takes a turn for the worse when officers John Cooper, Ben Sherman, Chickie Brown and Dewey find a member of Marta's Avenue gang dead in a trunk outside Dodger Stadium. Meanwhile, Detective Bryant convinces Lydia to take in Janilla in order to ensure her safety. Elsewhere, Detective Salinger becomes increasingly frustrated with his growing rift with his teenage daughter.

When the same type of chewing gum is found at two separate crime scenes involving two dead bodies, Jo operates on a hunch that the two cases may be related.

While representing an artist who’s been arrested for murdering her husband, Keegan (Greg Kinnear) must defend his own reputation when the police and the public suspect him in the death of Mayor Barzmann.