After an unknown female assailant kills two men disguised as Sherriff’s deputies in front of Callen’s home, the NCIS team gets a new lead in the ongoing mole investigation. Also, Nell visits a prison to interview an inmate withholding information on ... (more)the department’s leak.

Adam Bartley, Chase Kim, Kurt Yaeger, Laura Harring, Lindsay LaVanchy, Nate Hartley, Pamela Reed