Within the CBI, the agents of law enforcement are divided into small teams of four members with one of them that leads the team. In The Mentalist, Lisbon's Serious Crimes Unit is the focus of the story and responsible for solving the cases presented in the series. Its members are: * Senior Special Agent Teresa Lisbon (boss) * Special Agent Kimball Cho * Special Agent Wayne Rigsby * Special Agent Grace Van Pelt * Consultant Patrick Jane * Special Agent Stephen Hannigan (former)