Rafael Petardi

While pursuing a dangerous arms dealer, the team is shocked when Bishop is implicated in an old NSA leak; Gibbs and Marcie realize the killer they've been tracking may be onto them.

After young women are abducted, their social media pages continue to be updated; Trish's (Rosanna Arquette) sister -- and Ryan's former psych patient -- dies.

When Deeks is shot during a convenience-store robbery, the team must determine if he was the assailants' intended target.

Hart (Jennifer Beals) takes a solo mission to track down the mentor who betrayed her, and the team tries to locate her before it's too late. Also starring Clive Standen, Adam Goldberg and Jessica Camacho. Guest starring Scott Cohen, Vladimir Raiman and Denis.