NCIS S04E23:

Trojan Horse

IMDb 7.9 60 min/episodeRelease:2003
While Jen attends a conference in Paris, Gibbs serves as the acting director. When a taxicab delivers a fare to the NCIS headquarters, the passenger, a Yemeni, is DoA; the gang investigate. Jen diverts to Moscow, and many answers emerge.
Director: Terrence O'Hara