![[S13E6] Viral](https://i.imgur.com/LloKF2X.png)
The "Tri-State Sniper" fictional serial killer featured in the episode is heavily based on the real-life D.C. Sniper cases.
The NCIS team investigates the murder of a Navy Petty Officer whose death appears to mimic the M.O. of a notorious local serial killer known as the . The investigation focuses on determining whether the victim is the sniper's latest target or the work of a copycat killer. Key Storylines [S13E6] Viral
Viral (2015) * Mark Harmon. Leroy Jethro Gibbs. * Sean Murray. Timothy McGee. * Michael Weatherly. Tony DiNozzo. * David McCallum. The Movie Database The "Tri-State Sniper" fictional serial killer featured in
NCIS: Season 13 - Viral (2015) - (S13E6) - Cast & Crew - TMDB [S13E6] Viral