With Parsa still on the prowl, the NCIS team will be at a loss to find him on Tuesday's return episode...until the murder of a port authority officer points them in the right direction.

NCIS Season 11 Episode 14 featured Gibbs and the squad tracking down every lead on the infamous terrorist but the most important one may be closer to home than they think. Turns out Ellie Bishop has a past association with the evil Parsa. Can she use it to stop him?

Check out these preview photos of "Monsters and Men," scheduled to air Tuesday, Feb. 4 on CBS - and don't forget that you can watch NCIS online here at TV Fanatic.