Troll

When a Navy computer tech officer working for ONI is found dead, her throat having been cut, the team reunites with Ned Dorneget to investigate her computer activity and their investigation soon leads them to a rough intersection with NSA and then to something even bigger – a terrorist organization recruiting youths. Gibbs later attempts to convince one young teenager to surrender, but the teenager later ends up committing suicide by setting off a bomb that causes a huge fiery explosion, ending the episode in a cliffhanger.