NCIS - Season 4 - Eps 16: Dead Man Walking
When a Navy Lieutenant becomes the victim of radiation poisoning, the NCIS team must find the person who's behind the crime. The Lieutenant, who is working for the IAEA (International Atomic Energy Agency), claims that only his two colleagues knew about his assignment, and whoever it was, the person tried to stop the Lieutenant's next investigation.
About NCIS

Title: NCIS
First Air Date: 2003-09-23
Last Air Date: 2025-03-31
Status: Returning Series
Rating: 7.627/10 (from 2337 votes)
Language: EN
Seasons: 23
Total Episodes: 487
Network: CBS
Genres: Crime, Drama, Action & Adventure
Production Companies: Paramount Television, Belisarius Productions, CBS Studios
Synopsis
From murder and espionage to terrorism and stolen submarines, a team of special agents investigates any crime that has a shred of evidence connected to Navy and Marine Corps personnel, regardless of rank or position.
Cast

Sean Murray
Timothy McGee

Wilmer Valderrama
Nick Torres

Katrina Law
Jessica Knight

Brian Dietzen
Jimmy Palmer

Rocky Carroll
Leon Vance

Diona Reasonover
Kasie Hines

Gary Cole
Alden Parker