NCIS › Season 3

S3 E20: Untouchable

When a Pentagon cryptographer is found dead, the NCIS team have to discover whether she was or wasn't a Pentagon mole, and if she committed suicide. As the investigation continues, the team discover that the cryptographer wasn't alone when she died.

Air date	Apr 18, 2006
Runtime	44 minutes
TMDB rating	★ 7.4/10