âÂÂThe Chosen Oneâ â Pictured: Barrett Foa (Tech Operator Eric Beale). Callen goes undercover to infiltrate a network of Chechen terrorists who are recruiting foreign fighters to join their cause and planning their next attack in the U.S., on NCIS: LOS ANGELES, Tuesday, Jan. 29 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Photo: Richard Cartwright/CBS é2013 CBS Broadcasting, Inc. All Rights Reserved.