NCIS

Season 4, Episode 8

Episode Title: Once a Hero

Air Date: 2006-11-14

Overview:

When an honored Marine veteran is found dead in a hotel, the NCIS team must find out what happened to him. Soon they realize that the Marine didn't commit suicide and that he was a homeless man. After going through his stuff, they find compromising evidence against him, and Gibbs is determined to prove the man's innocence.