NCIS (2003)
S03E20 Untouchable
Episode Overview
After the death of a Pentagon cryptographer, the NCIS team is tasked with uncovering whether she was a mole for the Pentagon and if her death was a suicide. As they delve deeper into the investigation, they uncover evidence suggesting she was not alone at the time of her death, indicating that foul play was involved and someone else may have killed her.