Tonight on NCIS, a Navy Lieutenant who recently returned home from the Middle East is found dead from a brutal attack, leading the team to question the victim's friend, Marine Captain Joe Wescott (Brad Beyer).

We first meet Beyer in the clip below, when it appears he's looking for his friend as well.

Gibbs realizes the Captain is suffering from post-traumatic stress disorder (PTSD), and it's fairly obvious from the first moment he appears. Will his experience overseas provide a key link to the crime?

Check out the first sneak peek from Part I of "Shell Shock" and see what you think:

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