SEASON: 5
EPISODE: 14 - INTERNAL AFFAIRS
SYNOPSIS
The agents are investigated by the FBI on suspicion of murdering arms dealer La Grenouille. Jenny Shepard is the prime suspect, as she believed the criminal killed her father some years earlier, so Gibbs forms a plan to help his boss. However, an eyewitness later comes forward and implicates Tony. Starring Lauren Holly and Mark Harmon.