Episodio 23 Stagione 12 "The Lost Boys", "Bambini Sperduti"

Question: Could you confirm that Agah Bayar is returning to NCIS? —Zoe
Ausiello: Indeed, I could: Showrunner Gary Glasberg says that Tamer Hassan will put in a “really important” encore in the season’s penultimate episode, titled “The Lost Boys.” An arms dealer who has been featured on the series thrice before, “Agah Bayar has specific information” about an “unfortunate event” being planned by a terror group that recruits young people online. Notes the EP, “He and Gibbs always have good stuff together.”