Third and Final Stand-Off Between Gibbs and Ari Haswari is an event that occurred in September 2005 and which saw NCIS Special Agent Leroy Jethro Gibbs engage in a stand-off against terrorist/mole/double agent, Ari Haswari. The stand-off ended with Ari dying at the hands of his control officer and half-sister, Mossad Officer Ziva David.