Watch NCIS: Los Angeles Online: Season 12 Episode 16

Did Kensi complete the toughest case of her career?

On NCIS: Los Angeles Season 12 Episode 16, the agent found herself working with a deaf engineer who could have been part of the theft of military-grade technology.

Meanwhile, Deeks continued to adjust to his new managerial role in the NCIS.

Elsewhere, a worrying call from Hetty made the rest of the team wonder what was coming next.

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