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A Marine photographer disappears prior to testifying in a high-profile Afghanistan murder case. The NCIS team investigate the homicide he witnessed and his current piece on military veterans who are homeless. Meanwhile, Abby tries to help a young homeless (more…)
A national-security threat arises when the creator of software linked to a cyber attack vanishes, and the team works with the National Security Agency to find the man. Meanwhile, Callen keeps looking for answers about his past.
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TVGuide.com editors break down theories about what's coming up on The Walking Dead