(Pauley Perrette): Provides critical forensic evidence, including the analysis of the digital footprint left by the online predator.

(Michael Weatherly): Provides investigative support and his usual cinematic references.

: Laura Rowens, the wife of an active-duty Marine, shoots and kills an intruder in her home. She claims the man broke in to assault her.

: Gibbs and the team initially treat it as a standard self-defense case. However, Abby Sciuto’s forensic analysis and the discovery of the intruder's identity reveal inconsistencies.