NCIS Los Angeles 'One More Chance' Promo Picture
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Pictured: LL COOL J (Special Agent Sam Hanna) and Chris O'Donnell (Special Agent G. Callen). Sam is convinced that the theft of software for a new unmanned aerial vehicle is connected with the disappearance of the lead engineer's 10-year-old daughter, a girl Sam once provided protection detail for in Saudi Arabia, on NCIS: LOS ANGELES, Tuesday, April 29 (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Ron P. Jaffe/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved.