NCIS: Season 2, Episode 7

2 - 7: Call of Silence

A former Marine, and Medal of Honor recipient who fought in World War II (played by Charles Durning), confesses to having murdered his friend in battle. Gibbs does not believe this is the whole truth and goes on to prove his innocence. The team become personally involved with the case, with Gibbs using deceptive tactics to pull the truth from the elderly man.