Pictured: Rowena King (Dr. Camille Rivers) and Eric Christian Olsen (LAPD Liaison Marty Deeks). The team searches for a former Marine and expert sniper who escaped a Veterans hospital when they discover his connection to the leader of an extremist group. Also, the case reminds Kensi of her past as a sniper, on NCIS: LOS ANGELES, Monday, May 4 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Richard Cartwright/CBS ©2015 CBS Broadcasting, Inc. All Rights Reserved.