The P2P serial killer story arc and some intriguing new characters took center stage on last night's NCIS, leaving the team (and Ziva's relationship) in a state of flux.

Next week, the team tracks a Navy lieutenant's killer after a Pentagon security camera reveals a petty officer committing the crime. Meanwhile, in a surprise move, Gibbs announces that Agent Barrett and her team will take over the Port-to-Port case.

Here's CBS' promo for "Dead Reflection" ...

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