Episode:The Chosen One

is the thirteenth episode, in the fourth season of NCIS: Los Angeles, and the eighty-fifth in the series as a whole excluding the back door pilot episodes and any crossovers. 
==Synopsis==
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.
==Cast==
===Series Regulars===
===Other Cast===