Once a Hero

When an honored Marine veteran falls off the floor of a hotel, disrupting a conference that all the agency directors including Director Shepard was attending, the NCIS team must find out what happened to him. Soon they realize that the Marine didn't commit suicide and that he was homeless, having lost everything after being injured while serving in Iraq. Having gone through the victim's personal belongings, the team soon find compromising evidence against him, and Gibbs is determined to prove the man's innocence by any means necessary.