I've taken to the reruns airing on USA. The show has been on the air since 2004.
Anyway our protagonist, NCIS Special Agent Jethro Gibbs, has to take down his former commanding officer as a Marine. This Colonel found his way onto the FBI's most wanted list, however, this Colonel believed he found a conspiracy as he attempted to retrieve some cash from the regime of Saddam Hussein. Another twist is the return of a dead junior officer who died in Desert Storm and it is believed by this Colonel was faked.
This show is known for its twists near the end of the episode. There was no conspiracy, it was all in this Colonel's head. The dead junior officer, a Lieutenant, never returned he passed away in Desert Storm. As this realization hits the Colonel, the Lt. was fading away right before his eye. The unfortunate part of this is that the Colonal assaulted and caused the death of a number of people and it was due to paranoid-schizophrenia.
Caitlin asked Gibbs why the Colonel was fixated on this Lieutenant and I've got an idea in my own head. This was a young officer who didn't understand why he was a casualty. Perhaps that touched the Colonel in a way that would be the focus of the mental illness he would be diagnosed with.
I wonder if this episode caused many of us to evaluate where our state of minds are?