Jesse Burch

Bosco and his agents are gunned down within the walls of CBI headquarters. With two men dead and Bosco in a critical condition, Lisbon and her team race to find the perpetrator. As the investigation progresses, it becomes clear that notorious serial killer Red John is responsible - and he has an assistant inside the department.

Bosco and Lisbon reluctantly join forces to deal with a kidnapping case. When it seems as though the hostage has no chance of survival, Jane comes up with an unorthodox plan to save the victim's life but Bosco refuses to put it into action.

As Dre tries to keep the peace on Valentine's Day, the siblings try to teach Diane how to give compliments.