After Abby’s homeland security think tank is compromised and she is found in possession of a real bomb, the NCIS team discovers the leader of the group has been murdered and a theoretical terror playbook has been stolen. Crossover with NCIS: New Orleans season 3 episode 14.
Elenco: David McCallum , Mark Harmon , Sean Murray , Pauley Perrette , Brian Dietzen , Michael Weatherly , Rocky Carroll , Cote de Pablo , Emily Wickersham , Wilmer Valderrama , Maria Bello , Duane Henry , Sasha Alexander , Jennifer Esposito , Tim Kelleher , Diona Reasonover .