The Grey Man

"The Grey Man" -- Pictured: Eric Christian Olsen (LAPD Liaison Marty Deeks). Kensi and Deeks go undercover to investigate the murder of a homeless man who was a former marine and CIA agent and discover his connection to the Mexican cartel, on NCIS: LOS ANGELES, Monday, Nov. 17 (9:59-11:00 PM, ET/PT) on the CBS Television Network. Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved.