A civilian man dies of an explosion on a hot bombing range at the Marine Corps Base, Quantico, Virginia; while investigating, Gibbs finds the charred body of a victim of a previous event. Ducky learns that the first victim received a savage beating on the face before dying in the explosion, and that the charred one died at least six months earlier. Gibbs reports that more bodies are nearby, and he suggests that they've found a dumping ground of a serial killer. Abby and Gibbs run into interference from the FBI. Attention turns to the Mafia. Ducky and Abby produce answers. Fornell, a senior special agent for the FBI, makes a serious decision and acts on it. Gibbs lends a hand to the FBI, then he returns to Navy business.
—DocRushing