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First broadcast at 20:00 10 Dec 2011
The FBI tells Gibbs that his former commanding officer has gone AWOL.
A former petty officer thought to have been dead for 17 years is implicated in a double homicide.
A naval dentist is murdered after stopping to help a motorist in need of assistance.
The team hunts a sniper who kills two marine recruiters.
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Channel 5 Broadcasting Ltd. 2015