Ala A Din Keshwar was the leader of Talib al Jihadiya who was captured by the Army CID.
Due to some miscommunication, his followers believed that it was NCIS who had taken Keshwar into custody, prompting them to take Agent Dominic Vail hostage in hope of setting up a prisoner exchange.
However the situation didn't take place, forcing Vail's colleagues, the Office of Special Projects led by G. Callen to launch a raid in the hope of saving Dom but the raid ended in tragedy with Dom dying after taking gunfire originally meant for Sam Hanna.
Keshwar was eventually given over to the Army CID as part of a prisoner transfer but it went horribly wrong, resulting in a shootout which left a CID Agent dead and two injured with NCIS Director Leon Vance dispatching OSP to track down Keshwar.
Keshwar's fate is not known but it's presumed that he was arrested and jailed for his crimes.