Season 4, Episode 13
Callen goes undercover to infiltrate a terrorist group that is recruiting foreign fighters to help carry out an attack in the U.S.
Original Air Date: Jan 29, 2013
Stoney Westmoreland: Rick Gibson
Luciana Carro: Gloria Seggara
Corin Nemec: Anwar Amurov
Justin Alston: James "Masud" Booth
Christian Svensson: Chovka Zelimov