Mark Dyson was a Special Agent who appears during the second season of The Mentalist. He is a member of Bosco's team and is killed alongside fellow agent, Nick Martinez, by secretary, Rebecca. California Bureau of Investigation Special Agent in Charge Virgil Minelli (Retired) • Madeleine Hightower (Retired) • J.J. LaRoche (†) • Luther Wainwright (†) • Gale Bertram (†) • Teresa Lisbon (Resigned) Lisbon's Team Teresa Lisbon • Wayne Rigsby • Kimball Cho • Grace Van Pelt • Patrick Jane (Consultant) • Stephen Hannigan (Transferred) Bosco's Team Sam Bosco (†) • Rebecca Anderson (†) • Marlon Hicks (†) • Mark Dyson (†) • Nick Martinez (†) Haffner's Team Ray Haffner (†) • Rick Tork • Anthony Niskin • Ed Masterson Other Members Brett Partridge (†) • Roy Carmen (Arrested) • Brenda Shettrick (Arr