[s13e6] Viral -

The "Tri-State Sniper" fictional serial killer featured in the episode is heavily based on the real-life D.C. Sniper cases.

Viral (2015) * Mark Harmon. Leroy Jethro Gibbs. * Sean Murray. Timothy McGee. * Michael Weatherly. Tony DiNozzo. * David McCallum. The Movie Database [S13E6] Viral

The team discovers that the victim, Petty Officer Adam Meyers, was not actually a victim of the serial killer. Instead, they find he took a $15,000 payoff from a man named Peter Woodruff to take the fall for a previous crime to pay for his sister's legal fees. Woodruff eventually murdered Meyers to keep him quiet. The "Tri-State Sniper" fictional serial killer featured in