Callen and Hanna find out that they must track down a chameleon-like killer who has evaded law enforcement agents, including Callen himself!
Watch full episodes of your favorite show at http://www.cbs.com/shows/ncis_los_angeles/video/
NCIS: Los Angeles starring Chris O'Donnell, LL Cool J, Linda Hunt, Daniela Ruah, Barrett Foa, Eric Christian Olsen, Renée Felice Smith on CBS Tuesday's @9pm.